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It takes a boy 20 minutes to mow the lawn, but his sister can mow it in 60 minutes. How long would it take them to mow the lawn if they worked together, using two lawn mowers?
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4 votes
It takes a boy 20 minutes to mow the lawn, but his sister can mow it in 60 minutes. How long would it take them to mow the lawn if they worked together, using two lawn mowers?

User Dean Radcliffe
by
6.4k points

1 Answer

4 votes

Answer:

40

Explanation:

because am smart and i said so

User Rahul Premraj
by
6.4k points
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