Solve the problem.
-Alison sets aside $40 each month to spend on books and CDs. If she spends c dollars on CDs in a given month, she may spend b dollars on books, where c + b = 40. Estimate the amount Alison may spend on books in March
If she spends $34 on CDs.
A) $74
B) $13
C) $6
D) $17

Question

Quizplus · Accepted Answer

Given the equation c + b = 40 and that c = $34 for CDs, substituting gives 34 + b = 40. Solving for b gives b = 40 - 34 = $6.

Solve the Problem. -Alison Sets Aside $40 Each Month to Spend on Books