Source: Official Guide for GMAT Review 2016 Problem Solving; #164

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1

It would take one machine 4 hours

It would take one machine 4 hours to complete a large production order and another machine 3 hours to complete the same order. How many hours would it take both machines, working simultaneously at their respective constant rates. to complete the order?

1 Explanation

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1

Mike McGarry, Magoosh Tutor

Aug 17, 2015 • Comment

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Official Guide for GMAT Review 2016

Official Guide for the GMAT 2015 14th Ed.

Official Guide for the GMAT 13th Ed.

Official Guide for the GMAT 12th Ed.

Revised GRE PDF 2nd Ed.

Section 5.3 Problem Solving

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