Question

Diane has $1.85 in dimes and nickels. She has a total of 24 coins. How many of each kind does she have?
how many nickles?
how many dimes?

Answer 1

Let the nickels be x and the dimes be y
 x + y = 24
 5x + 10y = 185
 5x + 5y = 120
 5y = 65
 y=13
 x=11
 Answer: 11 nickels and 5 dimes