SOLUTION: Niki has 8 coins worth $1.40. Some of the coins are nickles and some are quarters. How many quarters and nickles does Niki have?

Algebra ->  Customizable Word Problem Solvers  -> Coins -> SOLUTION: Niki has 8 coins worth $1.40. Some of the coins are nickles and some are quarters. How many quarters and nickles does Niki have?      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 387073: Niki has 8 coins worth $1.40. Some of the coins are nickles and some are quarters. How many quarters and nickles does Niki have?
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
0.05n + 0.25(8 - n) = 1.40;
0.05n + 2 - 0.25n = 1.40;
-0.2n = -0.6;
n = 3, the number of nickels, and
8 - n = 5, the number of quarters.