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Jack has twice as many dimes as quarters. If the total value of the coins is $6.30, how many dimes does he have?

 Mar 6, 2021
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Its 10.5 dimes, since you make two equations, 2x = y and 0.1x+0.25y = 6.30. 

 

IF you solve it using systems of equations you get 10.5 dimes.\

 

Very unrealistic, but there are 10.5 dimes. 

 Mar 6, 2021

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