SOLUTION: A sum of money amounting to $6.10 consists of dimes and quarters. If there are 31 coins in all, how many are quarters?

Algebra ->  Customizable Word Problem Solvers  -> Coins -> SOLUTION: A sum of money amounting to $6.10 consists of dimes and quarters. If there are 31 coins in all, how many are quarters?      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 428571: A sum of money amounting to $6.10 consists of dimes and quarters. If there are 31 coins in all, how many are quarters?
Answer by jorel1380(3719) About Me  (Show Source):
You can put this solution on YOUR website!
x+y=31
10x+25y=610
10x+10y=310
15y=300
y=20
x=11
There are 11 dimes and 20 quarters..