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One person can write 20 pages in 4 hours. The other types 20 pages in 5 hours.

900 pages have to be written by both. They must finish all together.

In these circumstances, how many pages must be distributed to the slower person?

 Jun 26, 2020
 #1
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20 pages/4 hr   *   x  hrs    +  20 pages/5hr  * x hr   = 900 pages

 

20/4  x      +  20/5  x   = 900      solve for 'x'  the number of hours

                                       then slower (typer) must type        20/5  * x   pages   .....

 Jun 26, 2020

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