Asked by Julie
A small slot machine holds 500 coins consisting of nickels, dimes, and quarters. The number of quarters is twice the number of dimes. If the value of all the coins is $88.00, how many nickels, were in the slot machine?
Answers
Answered by
Reiny
dimes --- x
quarters -- 2x
nickels --- 500 - x - 2x or 500-3x
10x + 25(2x) + 5(500-3x) = 8800
solve for x, then found 500-3x
quarters -- 2x
nickels --- 500 - x - 2x or 500-3x
10x + 25(2x) + 5(500-3x) = 8800
solve for x, then found 500-3x
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