Question 942227: the piggy bank had $25.65 in dimes and quarters, if there were 20 more quarters than dimes, how many dimes were in the piggy bank? Answer by TimothyLamb(4379) (Show Source):
You can put this solution on YOUR website! x = number of dimes
y = number of quarters
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10x + 25y = 2565
y = x + 20
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put the system of linear equations into standard form
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10x + 25y = 2565
x - y = -20
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solution:
x = 59
y = 79
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