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?

asked Aug 28, 2020 73.3k views

1 vote

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?

by Cao

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2 votes

Answer:

Jamie has 14 dimes and 26 nickels

Explanation:

nickels : x

dimes : y

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

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