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Three postal workers can sort a stack of mail in 20 ​minutes, 25 ​minutes, and 100 ​minutes, respectively. Find how long it takes them to sort the mail if all three work togethe…

Three postal workers can sort a stack of mail in 20 ​minutes, 25 ​minutes, and 100 ​minutes, respectively. Find how long it takes them to sort the mail if all three work togethe…
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Three postal workers can sort a stack of mail in 20 ​minutes, 25 ​minutes, and 100 ​minutes, respectively. Find how long it takes them to sort the mail if all three work together.

The answer must be a whole number

User Nico Diz
by
8.0k points

1 Answer

5 votes

Answer:

100/20+25=30 i think i did that right

Explanation:


User Maulik Pandya
by
7.5k points
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