Question

Jamie has a total of 40 coins that are all nickels and dimes. She has 12 more nickels than dimes. How many of

each type of coin does she have?

Answer 1

Jamie has 14 dimes and 26 nickels

Explanation:

nickels : x

dimes : y

`x + y = 40 \\ x = y + 12 \\ \\ replace \: x \:in \: the \: first \: equation \\ y + 12 + y = 40 \\ 2y = 28 \\ y = 14`