A total of $4.80 consisting of dimes and quarters was collected from a soft drink vending machine. If there are 1 more quarters than dimes, find the number of dimes and the number of quarters.
A) 12 dimes; 13 quarters
B) 14 dimes; 15 quarters
C) 18 dimes; 12 quarters
D) 13 dimes; 14 quarters

Question

Quizplus · Accepted Answer

Let the number of dimes be x. Then the number of quarters is x + 1. The total value is 10x + 25(x + 1) = 480 cents. Solving 10x + 25x + 25 = 480 gives x = 13, so there are 13 dimes and 14 quarters.

A Total of $4