Question

If Karla has 3 more nickels than quarters and they have a combined value of 135 cents, how many of each coin does she have?

Answer 1

Explanation:

n=3+d

n -d = 3

5n -5d = 15

5n +10d = 135

5n - 5d = 15

15d = 120

d= 8 dimes

n = 11 nickels

5x11 + 8x10 = 55 + 80= 135