17. Mr. Luca would like to purchase a digital keyboard for each of his 3 nieces and 1 nephew. The keyboard costs $415. Part A Mr. Luca thinks the total cost should be about $1,200. Is this amount reasonable? Explain Part B Write and solve an equation to find the total cost of the keyboards. Explain why your answer is reasonable.

Q: Twin brothers, Andy and Brian, can mow their grandparent's lawn together in 42 minutes. Brian could…

A: Let Andy takes x minutes and Brian takes y minutes to mow the lawn alone. Portion of lawn mow alone…

Q: s given two checks for his birthday. One check was written for $150. When he went to deposit the two…

A:

Q: Four times a number is 88 less than 6 times the number. Find the number?

A:

Q: Mr.Garcia plans to bike 3,000 miles from San Francisco to New York City. He wants to complete this…

A: Total distance = 3000 miles  No of days = 45 days

Q: 16. A company has 750 meters of cotton and 1000 meters of polyester. The company will produce…

A:

Q: 14 114 Fiona's mom makes gallon of raspberry lemonade for Fiona and her 3 friends for a picnic…

A: We answer the following by counting number of friends.

Q: A neighbor tells you that an installer of a rain gutter charges $60, plus a dollar amount per foot.…

A: Given: The amount charges by an installer of a rain gutter=$60 Amount paid by neighbor for the…

Q: I think of a number, If I subtract 9 from it and multiply this difference by 4, the result is 128.…

A: Solution : We have given a number if we subtract 9 from the number and multiply this difference by…

Q: In 1998 a 5 minute overseas call cost $5.91 and a 10 minute call cost $10.86. The cost of the call…

A:

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

A:

Q: There is a translating company. The first page is 50 dollar to translate, but next pages are all 25…

A: We have given price for translating pages 1 page = $50 2 page = $75 3 page = $100 Let,  Price = y…

Q: 2. Sumaya is reading a book with 240 pages. She has already read 90 pages. She plans to read 20 more…

A: Subtract the number of pages already read from the total number of pages, to determine the number of…

Q: For this question I am supposed to identify a variable, write an equation, solve. Please help me…

A: Given monthly cost of discount card = $25.Total previous month cost = $85

Q: Solve  the difference of a number and 9 is the same as 47 less the number. Find the number

A:

Q: Jimmie and Connie work at a family dollar. Jimmie earn 7 more than 5 times the amount that Connie…

A: We can set up the equation and solve the equation as below.

Q: A 2 minute cab ride costs $5.25. A 5 minute cab ride costs $10.50. How much does a 3.8 minute cab…

A: Find the charge for a 3.8 minute cab ride.

Q: Write an equation for each word problem and solve. Remember to include the Following for each…

A: (a)  A bakery makes 24 cookies in a batch. The baker has to make 300 cookies. Let a number of…

Q: 10. Carmen has already driven 300 miles. She plans to drive 240 miles per day, for each of the…

A:

Q: month until she repays this loan in full.  a. What is the equation that models the amount of money,…

A: Given that: Madeline borrowed = $2,380 Monthly payment = $140

Q: 6. You and four friends go to Johnny Rockets. You all split the bill equally. Each person's share…

A: you and your friends go to Johnny Rockets.You all split the bill equally.Each person's share was…

Q: length of tubing 75.0 inches long is cut into 2 unequal lengths.  One piece is 3 times as long as…

A: