Asked by bevin

Alisha has 11 coins in her pocket. She only has quarters and dimes. The coins in her pocket add up to $2. How many quarters does she have? How many dimes?
Answered by bobpursley
11=Q+D
10D+25Q=200

solve for Q, and D, I assume you can do that by substitution.
Answered by Reiny
number of quarters --- x
number of dimes ------11-x

25x + 10(11-x) = 200

solve for x, and all will be revealed to you
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