SOLUTION: A teller has 49 $10 and $20 bills in her cash drawer. The value of the bills is $870. How many $10 bills does she have?

Algebra ->  Customizable Word Problem Solvers  -> Coins -> SOLUTION: A teller has 49 $10 and $20 bills in her cash drawer. The value of the bills is $870. How many $10 bills does she have?       Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 107756: A teller has 49 $10 and $20 bills in her cash drawer. The value of the bills is $870. How many $10 bills does she have?
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
let x=tens, so 49-x=twenties ... 10(x)+20(49-x)=870 ... 10x+980-20x=870