Sunday

April 20, 2014

April 20, 2014

Posted by **KIM** on Wednesday, April 21, 2010 at 3:33pm.

- Algebra -
**PsyDAG**, Thursday, April 22, 2010 at 1:55pmLet x = 50s and y = 20s

x + y = 48

x = 48 - y

50x + 20y = 1410

Substitute 48 - y for x in the second equation and solve for x. Put that value in the first equation to find y. Check by putting both values into the second equation.

**Related Questions**

Math - A convention manager finds that she has $1410, made up of twenties and ...

ALGEBRA - a convention manager finds that she has $1410 made up of twenties and ...

Algebra - A manager has $1170 made up of twenties and fifties. The total is 36 ...

PLEASE HELP!!! ALGEBRA - A bank teller is counting the total amount of money in ...

statistics - I have 6 bills that total $63 and there are no $1 or coins? what ...

Pre Calculus - A bank teller is counting the total amount of money in a cash ...

Math 117 - A bank teller has some five-dollar bills and some twenty-dollar bills...

math - A bank teller has some five-dollar bills and some twenty-dollar bills. ...

intermediate algebra - A total of 26 bills are in a cash box. Some of the bills ...

Algerbra - A bank teller has 54 5 dollar bills and 20 dollar bills in her cash ...