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March 29, 2015

March 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

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