Richard walks every day for exercise at a rate of 1 kilometer every 20 minutes.   At this rate, how many meters can Richard walk in 1 hour?   Complete the explanation about how you found your answer.

Q: How long did he spend at each speed?

A: Q.  Total 3 hours duration.       Let time for first part = x hours…

Q: Ryan usually bikes at an average rate of 12 miles per hour mph how long does it take him to hike a…

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Q: Sarah and Mateo do a job together in three hours. Working alone, Sarah does the job in 5 hours. How…

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Q: William drove 344 miles in 8 hours. If he continued at the same rate, how far would he travel in 17…

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Q: you run the first 2 miles of a 5 mile at a rate of 300 yards per minute. Then you run the last 3…

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Q: Mary can finish a puzzle of 500 pieces in 2 hours. How long will it take her to finish a puzzle of…

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Q: at noon a train leaves washington d.c. headed for charleston south carolina, a distance of 260 mi.…

A: First train leaves at time 12:00pm from Washington with speed of 60 mph Second train leaves from…

Q: A boat traveled 84 kilometers each way downstream and back. The trip downstream took 4 hours. The…

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Q: As part of her physical fitness training Ms. Malltezi cycled at 30 km/h and then jogged at 8 km/h.…

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Q: Practicing quick shots, Roberto made three baskets in ten seconds. At this rate, how many baskets…

A: Roberto made baskets in 10 sec = 3 Roberto make baskets in 1 sec = 3/10 We know that, 1 minute = 60…

Q: Sarah can bicycle a loop around the north part of Lake Washington in 2 hours and 50 minutes. If she…

A: Given : Sarah can bicycle a loop around the north part of Lake Washington in 2 hours and 50 minutes.…

Q: race

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Q: A circular running track is 1/4 mile long. Elena runs on the track, completing each lap in 1/20 of…

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Q: Charlie's boat travels at a steady 6mph in still water but he is currently traveling up the…

A: Speed of boat in still water = 6 mph Speed of river current = 2.5 mph

Q: Choi can walk 125 m in 72 seconds. Standing on a moving sidewalk at an​ airport, she can travel 125…

A: Speed of Choi = 125m/72sec = 1.736 m/s Speed of the moving sidewalk = 125m/40sec = 3.125 m/s

Q: Mavis‘s best stroke is freestyle. She can swim a length in two minutes. How long will it take her to…

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Q: A downtown parking charges $5 per hour for the first 2 hours, then $2.50 per hour after thT. Which…

A: C(t) be the parking charge for t hours. There will be two time intervals. First interval will be…

Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.