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

Algebra ->  Customizable Word Problem Solvers  -> Coins -> 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      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


   



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) About Me  (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..