SOLUTION: A cash register contains only five dollar and ten dollar bills. It contains twice as many five's as ten's and the total amount of money in the cash register is 580 dollars. How man

Algebra ->  Customizable Word Problem Solvers  -> Coins -> SOLUTION: A cash register contains only five dollar and ten dollar bills. It contains twice as many five's as ten's and the total amount of money in the cash register is 580 dollars. How man      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 1064022: A cash register contains only five dollar and ten dollar bills. It contains twice as many five's as ten's and the total amount of money in the cash register is 580 dollars. How many ten's are in the cash register?

Answer by jorel1380(3719) About Me  (Show Source):
You can put this solution on YOUR website!
Let t be ten dollar bills. Then five-dollar bills are 2t. So:
10t+5(2t)=580
20t=580
t=29
2t=58
There are 29 tens in the cash register. ☺☺☺☺