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December 19, 2014

December 19, 2014

Posted by **guitarman** on Monday, March 29, 2010 at 7:00pm.

A. 13

B. 18

C. 20

D. 21

E. None of these.

Here is the equation I come with but does not lead to the right answer:

25(x + 3) + 5(x - 5) + 10x = 5200

Is this the correct equation?

- math -
**Felicity**, Monday, March 29, 2010 at 7:10pmThe problem you're having is that you're using the value of the coins rather than the actual number of coins. Try that instead, because the value of the coins will not affect how many dimes Sal has in this particular question.

- math -
**guitarman**, Monday, March 29, 2010 at 9:21pmCan you give me the correct equation?

I tried 0.25(x + 3) + 0.05(x - 5) + 0.10x = 52 and got the same answer.

So, what's the equation?

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