SOLUTION: Nadine found a wallet which contains 1560 pesos in P10 and P20 bills. If there are 110 bills in all, how many bills of each kind were there?

Algebra ->  Customizable Word Problem Solvers  -> Finance -> SOLUTION: Nadine found a wallet which contains 1560 pesos in P10 and P20 bills. If there are 110 bills in all, how many bills of each kind were there?      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 355108: Nadine found a wallet which contains 1560 pesos in P10 and P20 bills. If there are 110 bills in all, how many bills of each kind were there?
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
Let x = # 10 peso bills. Then 110 - x = # 20 peso bills.
Also10x%2B20%28110-x%29+=+1560,
x+%2B+2%28110-x%29+=+156, after dividing by 10.
x%2B220-2x=156,
-x=-64,
x+=+64. So there are 64 10-peso bills, and 46 20-peso bills.