Question

Jimmy has seven times as many dimes as nickels. Their value is $3.75. How many nickels does he have?

Answer 1

set up 2 equations and let x=number of dimes, and y = number of nickels

1. x/7=y
2. 0.1x + 0.05y = 3.75

now substitute and solve!

x=35
y=5

Answer 2

thank you very much