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 Post subject: mathsPosted: Mon Aug 29, 2011 9:25 pm

Joined: Sun May 08, 2011 5:53 am
Posts: 8
at a loding dock , each worker on the night crew loaded 3/4 as many boxes as each worker on the day crew . if the night crew has 4/5 as many workers as the day crew, what fraction of all the boxes loaded by the two crews did the day crew load
1/2
2/5
3/5
4/5
5/8

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 Post subject: Re: mathsPosted: Tue Aug 30, 2011 8:04 pm

Joined: Tue Aug 30, 2011 7:52 pm
Posts: 2
The answer is 5/8. Suppose the day crew has five workers. Therefore, the night crew has four workers. Suppose each day crew worker loads one hundred boxes. Therefore, each night crew worker loads seventy-five boxes.

5 * 100 = 500; 4 * 75 = 300; 500 + 300 = 800; 500/800 = 0.625; 0.625 = 5/8.

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