Problem 7.85TI: Solve the proportion: yy+55=38 . Problem 7.86TI: Solve the proportion: zz84=15 . Problem 7.87TI: Pediatricians prescribe 5 milliliters (ml) of acetaminophen for every 25 pounds of a child’s weight.... Problem 7.88TI: For every 1 kilogram (kg) of a child’s weight, pediatricians prescribe 15 milligrams (mg) of a fever... Problem 7.89TI: Find the actual distance from Seattle to Portland. Problem 7.90TI: Find the actual distance from Portland to Boise. Problem 7.91TI: A telephone pole casts a shadow that is 50 feet long. Nearby, an 8 foot tall traffic sign casts a... Problem 7.92TI: A pine tree casts a shadow of 80 feet next to a 30 foot tall building which casts a 40 feet shadow.... Problem 7.93TI: Link can ride his bike 20 miles into a 3 mph headwind in the same amount of time he can ride 30... Problem 7.94TI: Danica can sail her boat 5 miles into a 7 mph headwind in the same amount of time she can sail 12... Problem 7.95TI: Dennis went cross-country skiing for 6 hours on Saturday. He skied 20 mile uphill and then 20 miles... Problem 7.96TI: Joon drove 4 hours to his home, driving 208 miles on the interstate and 40 miles on country roads.... Problem 7.97TI: Kayla rode her bike 75 miles home from college one weekend and then rode the bus back to college. It... Problem 7.98TI: Victoria jogs 12 miles to the park along a flat trail and then returns by jogging on an 20 mile... Problem 7.99TI: One gardener can mow a golf course in 4 hours, while another gardener can mow the same golf course... Problem 7.100TI: Daria can weed the garden in 7 hours, while her mother can do it in 3. How long will it take the two... Problem 7.101TI: Alice can paint a room in 6 hours. If Kristina helps her it takes them 4 hours to paint the room.... Problem 7.102TI: Tracy can lay a slab of concrete in 3 hours, with Jordan’s help they can do it in 2 hours. If Jordan... Problem 7.103TI: The number of calories, c, burned varies directly with the amount of time, t, spent exercising.... Problem 7.104TI: The distance a moving body travels, d, varies directly with time, t, it moves. A train travels 100... Problem 7.105TI: The number of hours it takes for ice to melt varies inversely with the air temperature. Suppose a... Problem 7.106TI: Xander’s new business found that the daily demand for its product was inversely proportional to the... Problem 253E: In the following exercises, solve each proportion. 253. x56=78 Problem 254E: In the following exercises, solve each proportion. 254. 5672=y9 Problem 255E: In the following exercises, solve each proportion. 255. 98154=7p Problem 256E: In the following exercises, solve each proportion. 256. 72156=6q Problem 257E: In the following exercises, solve each proportion. 257. aa+12=47 Problem 258E: In the following exercises, solve each proportion. 258. bb16=119 Problem 259E: In the following exercises, solve each proportion. 259. m+9025=m+3015 Problem 260E: In the following exercises, solve each proportion. 260. n+104=40n6 Problem 261E: In the following exercises, solve each proportion. 261. 2p+48=p+186 Problem 262E: In the following exercises, solve each proportion. 262. q22=2q718 Problem 263E: In the following exercises, solve. 263. Kevin wants to keep his heart rate at 160 beats per minute... Problem 264E: In the following exercises, solve. 264. Jesse’s car gets 30 miles per gallon of gas. (a) If Las... Problem 265E: In the following exercises, solve. 265. Pediatricians prescribe 5 milliliters (ml) of acetaminophen... Problem 266E: In the following exercises, solve. 266. A veterinarian prescribed Sunny, a 65-pound dog, an... Problem 267E: In the following exercises, solve. 267. A new energy drink advertises 106 calories for 8 ounces. How... Problem 268E: In the following exercises, solve. 268. One 12-ounce can of soda has 150 calories. If Josiah drinks... Problem 269E: In the following exercises, solve. 269. Kyra is traveling to Canada and will change $250 US dollars... Problem 270E: In the following exercises, solve. 270. Maurice is traveling to Mexico and needs to exchange $450... Problem 271E: In the following exercises, solve. 271. Ronald needs a morning breakfast drink that will give him at... Problem 272E: In the following exercises, solve. 272. Sonya drinks a 32-ounce energy drink containing 80 calories... Problem 273E: In the following exercises, solve. 273. Phil wants to fertilize his lawn. Each bag of fertilizer... Problem 274E: In the following exercises, solve. 274. An oatmeal cookie recipe calls for 12 cup of butter to make... Problem 275E: In the following exercises, the triangles are similar. Find the length of the indicated side. 275.... Problem 276E: In the following exercises, the triangles are similar. Find the length of the indicated side. 276.... Problem 277E: In the following exercises, use the map shown. On the map, New York City, Chicago, and Memphis form... Problem 278E: In the following exercises, use the map shown. On the map, New York City, Chicago, and Memphis form... Problem 279E: In the following exercises, use the map shown. On the map, Atlanta, Miami, and New Orleans form a... Problem 280E: In the following exercises, use the map shown. On the map, Atlanta, Miami, and New Orleans form a... Problem 281E: In the following exercises, answer each question. 281. A 2-foot-tall dog casts a 3-foot shadow at... Problem 282E: In the following exercises, answer each question. 282. Larry and Tom were standing next to each... Problem 283E: In the following exercises, answer each question. 283. The tower portion of a windmill is 212 feet... Problem 284E: In the following exercises, answer each question. 284. The height of the Statue of Liberty is 305... Problem 285E: In the following exercises, solve the application problem provided. 285. Mary takes a sightseeing... Problem 286E: In the following exercises, solve the application problem provided. 286. A private jet can fly 1,210... Problem 287E: In the following exercises, solve the application problem provided. 287. A boat travels 140 miles... Problem 288E: In the following exercises, solve the application problem provided. 288. Darrin can skateboard 2... Problem 289E: In the following exercises, solve the application problem provided. 289. Jane spent 2 hours... Problem 290E: In the following exercises, solve the application problem provided. 290. Laney wanted to lose some... Problem 291E: In the following exercises, solve the application problem provided. 291. Byron wanted to try out... Problem 292E: In the following exercises, solve the application problem provided. 292. Nancy took a 3-hour drive.... Problem 293E: In the following exercises, solve the application problem provided. 293. Chester rode his bike... Problem 294E: In the following exercises, solve the application problem provided. 294. Matthew jogged to his... Problem 295E: In the following exercises, solve the application problem provided. 295. Hudson travels 1080 miles... Problem 296E: In the following exercises, solve the application problem provided. 296. Nathan walked on an asphalt... Problem 297E: In the following exercises, solve the application problem provided. 297. John can fly his airplane... Problem 298E: In the following exercises, solve the application problem provided. 298. Jim’s speedboat can travel... Problem 299E: In the following exercises, solve the application problem provided. 299. Hazel needs to get to her... Problem 300E: In the following exercises, solve the application problem provided. 300. Stu trained for 3 hours... Problem 301E: In the following exercises, solve the application problem provided. 301. When driving the 9-hour... Problem 302E: In the following exercises, solve the application problem provided. 302. Two sisters like to compete... Problem 303E: In the following exercises, solve the application problem provided. 303. Dana enjoys taking her dog... Problem 304E: In the following exercises, solve the application problem provided. 304. Ken and Joe leave their... Problem 305E: Mike, an experienced bricklayer, can build a wall in 3 hours, while his son, who is learning, can do... Problem 306E: It takes Sam 4 hours to rake the front lawn while his brother, Dave, can rake the lawn in 2 hours.... Problem 307E: Mia can clean her apartment in 6 hours while her roommate can clean the apartment in 5 hours. If... Problem 308E: Brian can lay a slab of concrete in 6 hours, while Greg can do it in 4 hours. If Brian and Greg work... Problem 309E: Josephine can correct her students test papers in 5 hours, but if her teacher’s assistant helps, it... Problem 310E: Washing his dad’s car alone, eight year old Levi takes 2.5 hours. If his dad helps him, then it... Problem 311E: At the end of the day Dodie can clean her hair salon in 15 minutes. Ann, who works with her, can... Problem 312E: Ronald can shovel the driveway in 4 hours, but if his brother Donald helps it would take 2 hours.... Problem 313E: In the following exercises, solve. 313. If y varies directly as x and y=14 , when x=3 . find the... Problem 314E: In the following exercises, solve. 314. If a varies directly as b and a=16 , when b=4 . find the... Problem 315E: In the following exercises, solve. 315. If p varies directly as q and p=9.6 , when q=3 . find the... Problem 316E: In the following exercises, solve. 316. If v varies directly as w and v=8 , when w=12 . find the... Problem 317E: In the following exercises, solve. 317. The price, P, that Eric pays for gas varies directly with... Problem 318E: In the following exercises, solve. 318. Joseph is traveling on a road trip. The distance, d, he... Problem 319E: In the following exercises, solve. 319. The mass of a liquid varies directly with its volume. A... Problem 320E: In the following exercises, solve. 320. The length that a spring stretches varies directly with a... Problem 321E: In the following exercises, solve. 321. The maximum load a beam will support varies directly with... Problem 322E: In the following exercises, solve. 322. The area of a circle varies directly as the square of the... Problem 323E: In the following exercises, solve. 323. If y varies inversely with x and y=5 when x=4 , find the... Problem 324E: In the following exercises, solve. 324. If p varies inversely with q and p=2 when q=1 , find the... Problem 325E: In the following exercises, solve. 325. If v varies inversely with w and v=6 when w=12 , find the... Problem 326E: In the following exercises, solve. 326. If a varies inversely with b and a=12 when b=13 , find the... Problem 327E: In the following exercises, write an inverse variation equation to solve the following problems.... Problem 328E: In the following exercises, write an inverse variation equation to solve the following problems.... Problem 329E: In the following exercises, write an inverse variation equation to solve the following problems.... Problem 330E: In the following exercises, write an inverse variation equation to solve the following problems.... Problem 331E: In the following exercises, write an inverse variation equation to solve the following problems.... Problem 332E: In the following exercises, write an inverse variation equation to solve the following problems.... Problem 333E: In the following exercises, write an inverse variation equation to solve the following problems.... Problem 334E: In the following exercises, write an inverse variation equation to solve the following problems.... Problem 335E: Marisol solves the proportion 144a=94 by ‘cross multiplying,’ so her first step looks like 4144=9a .... Problem 336E: Paula and Yuki are roommates. It takes Paula 3 hours to clean their apartment. It takes Yuki 4 hours... Problem 337E: In your own words, explain the difference between direct variation and inverse variation. Problem 338E: Make up an example from your life experience of inverse variation. format_list_bulleted