Question

Scott's piggy bank contains $5.87 worth of pennies and quarters. If the number of pennies is fifteen more than the number of quarters, how many pennies are in the piggy bank.

Answer 1

Given data:

The total cost is C=$5.87.

The expression for pennies is a=b+15.

The expression for total cost is,

0.01(a)+0.25b=5.87