SOLUTION: Crystal had twice as many nickels and dimes. Altogether she had $4.20. How many nickels and how many dimes did she have?

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Question 517166: Crystal had twice as many nickels and dimes. Altogether she had $4.20. How many nickels and how many dimes did she have?
Answer by geometryworm7271(30) About Me  (Show Source):
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if she had twice as many nickles as dimes, then the amounts of the nickles equals the amount of the dimes. so 4.20/2=2.10 and 2.10 in dimes are 21 and 2.10 in nickles is 42. and 42/21 is 2