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3 votes
Working to

(simplify y
Lisa, an experienced shipping clerk, can fill a certain order in 7 hours, Bill, a new clerk, needs 9 hours to do the
same job. Working together, how long will it take them to fill the order?

User Dredful
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1 Answer

2 votes

it might take 19 hours i might be wrong

Explanation:

User Dbz
by
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