November 25, 2015

Homework Help: math

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

Sal keeps quarters, nickels, and dimes in his change jar. He has a total of 52 coins. He has three more quarters than dimes and five fewer nickels than dimes. How many dimes does Sal have?

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?

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