Question 818716: Franklin has $1.57 in quarters and pennies. He has 13 coins altogether. How many coins of each kind does he have?
Answer by TimothyLamb(4379)   (Show Source):
You can put this solution on YOUR website! 25q + p = 157
q + p = 13
q = 13 - p
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25q + p = 157
25(13 - p) + p = 157
325 - 25p + p = 157
24p = 168
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p = 7
q = 6
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