wittygirl01 wittygirl01

04-12-2018
Mathematics

contestada

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

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kenziekay883 kenziekay883

04-12-2018

Answer:

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

Step-by-step explanation:

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