Question in description

Question

katie has a collection of nickels, dimes, quarters with a total value of $7.20. there are 9 more dimes than nickels and 6 more quarters than nickels, how many of each coin does she have?

 

 

 

_____ nickels

 

_____ dimes

 

_____ quarters

Answer 1

Let n = # of nickels; then# of dimes =9 + n and # of quarters = 6 + n.

 

The total VALUE of these coins is n(.05) + (6 + n)(.25) + (9 + n) (.10) = 7.20

 

Use the distributive law, collect like terms, watch your decimal points and solve for n, carefully!