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OpenStudy (anonymous):
Ben had twice as manyt nickels as dimes. Altogether, Ben had $4.20. How many nickels and how many dimes did Ben have?
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OpenStudy (anonymous):
21 dimes 42 nickles (.10x) + 2 (.05x) = 4.20 .10x +.10x = 4.20 2 .10x = 4.20 .10 = 2.10 2.10x/10 = x=21 at least thats how i got there
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