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January 31, 2015

January 31, 2015

Posted by **Jon** on Tuesday, March 5, 2013 at 12:31pm.

- Algebra -
**Dr. Jane**, Tuesday, March 5, 2013 at 12:35pmq = # of quarters

n = # of nickels

q + n = 31 coins

Now, you need the value of the coins:

.25q + .05n =4.55

I would multiply by 100 to get rid of the decimals

25q + 5n = 455

q + n + 31

(multiply this equation by negative 5 and add.)

You will solve for quarters and then you can find nickels

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