Asked by Anonymous

sarah has 16 coins, some quarters and some nickels. if te coins have a value of $2.20, how many of each kind does she have.

Answers

Answered by Reiny
quarters ---- x
nickels ----- 20-x

solve for x:

25x + 5(20-x) = 220
Answered by Reiny
typo:

don't know where my 20 came from.

should have been:

quarters ---- x
nickels ----- 16-x

solve for x:

25x + 5(16-x) = 220
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