Answer:
it takes 7 hours when they work together.
Step-by-step explanation:
because if worker A can do his job in 5hrs.
the worker B can work in 2hrs.
5hrs. + 2hrs. = 7hrs.
-correct me if I'm wrong:>
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Answers & Comments
Answer:
it takes 7 hours when they work together.
Step-by-step explanation:
because if worker A can do his job in 5hrs.
the worker B can work in 2hrs.
5hrs. + 2hrs. = 7hrs.
-correct me if I'm wrong:>