SOLUTION: Jamil always throws loose change into a pencil holder and takes it out every two weeks. It's all nickels and dimes. There are 7 times as many dimes as nickels, and the value of the

SOLUTION: Jamil always throws loose change into a pencil holder and takes it out every two weeks. It's all nickels and dimes. There are 7 times as many dimes as nickels, and the value of the

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Question 437470: Jamil always throws loose change into a pencil holder and takes it out every two weeks. It's all nickels and dimes. There are 7 times as many dimes as nickels, and the value of the dimes is $7.80 more than the value of nickels. How many nickels and dimes does Jamal have?
Answer by jorel1380(3719) (Show Source): You can put this solution on YOUR website!
d=7n
10d-780=5n
70n-780=5n
65n=780
n=12
d=84
Jamil has 12 nickels and 84 dimes..
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