Carnegie Writing and Solving Equations

Which situation can be represented by the equation
40x + 20 = 200?

• Mitch owed Jason $200. Mitch borrowed $20 more. If Mitch pays Jason back $40 per week, how many weeks will it take him to pay back the money?

• Mitch owed Jason $200. Mitch already paid Jason back $20. If Mitch pays Jason back $40 per week, how many weeks will it take him to pay back the money?

• Mitch owed Jason $200. Mitch borrowed $40 more. If Mitch pays Jason back $20 per week, how many weeks will it take him to pay back the money?

• Mitch owed Jason $200. Mitch already paid back $40. If Mitch pays Jason back $20 per week, how many weeks will it take him to pay back the money?  

Solve for f:
f - 4 = 6f + 26

• f = -5

• f = 5

• f = 6

• f = -6

Solve for x:
5x - 14 = 8x + 4

• x = 6

• x = -6

• x = -18/13

• x = 10/3

Solve the equation
4x - 5x + 9 =5x - 9

• x = -3

• x = 9

• x = 3

• x = -9

The number of pencils collected by Precious (P) is equal to 5 more than twice the number collected by D'Shaun (D). Which of the following equations describes the statement above?

• P = 5 - D

• P = D + 5

• P = 2D - 5

• P = 2D + 5

A car rental company charges $56 per day plus $0.30 per mile driven. Jamika paid $86 after renting a car for one day. What equation should he use to find x, the number of miles she drove?

• x + 56 = 86

• 30x + 56 = 86

• 0.30x + 56 = 86

• 0.30x + 86 = 56

Solve the equation

• m = 7⁄30

• m = 13⁄30

• m = 3⁄6

• m = 3⁄11

• a
• b
• c
• d

When solving 234 + N =389, what operation would you use to find the answer

• multiplication

• addition

• subtraction

• division

Solve the equation

• d = 3

• d = 7

• d = -7

• d = -3