Homework Help: Math

Posted by D on Wednesday, January 23, 2013 at 6:39pm.

Jeramie has a jar of nickels and dimes. There are 200 coins worth $14.00. How many of each type of coin are in the jar. :)

Math - Henry, Friday, January 25, 2013 at 3:30pm
X Nickels.
(200-X) Dimes.

5x + 10(200-X) = 1400 Cents.
5x + 2000 - 10x = 1400
-5x = 1400 - 2000 = -600
X = 120 Nickels.
200-x = 200-120 = 80 Dimes.

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