Thursday

January 29, 2015

January 29, 2015

Posted by **jaime** on Monday, October 1, 2012 at 4:14am.

- math -
**Reiny**, Monday, October 1, 2012 at 7:53amrate of older machine === 1 unit/unit of time

rate of newer machine === 4/3 units/unit of time

combined rate = 1 + 4/3 = 7/3 units/unit of time

(7/3)x = 560

x = 240

The slower did 240 copies

and the faster did (4/3)(240) or 320 copies

**Answer this Question**

**Related Questions**

math - There are two machines that produce aluminum cans. The newer machine can ...

Math - A copy machine makes 60 copies per minute. A second copy machine makes 80...

MATH - A company makes three products X, Y and Z. Each product requires ...

MATH- please help! - A company makes three products X, Y and Z. Each product ...

MATH-PLEASE HELPPP!!!! - A company makes three products X, Y and Z. Each product...

math- im really confused! please help!! - A company makes three products X, Y ...

Math - Sarah is two-thirds as old as Jenny. Jenny is 7 years older than Sarah. ...

statistic - . A company is considering installing new machines to assemble its ...

algebra1 - the school bought a new copy machine which makes 20 copies per minute...

algebra1 - the school bought a new copy machine which makes 20 copies per minute...