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07232007  #1 
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Math word problem help?
A jar contains 76 coins consisting of dimes and quaters, worth a total of $13.90. How many dimes are in the jar?

07232007  #2 
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d = number of dimesq = number of quarters10d + 25q = 1390d + q = 76 (mult by 10)10d  10q = 76015q = 330q = 22d = 76  22 = 54 dimes

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