Jason can mow his parents' yard in 3 hr. His brother can mow it in 4 hr. How long would it take them, working together, to mow the yard? (Assume two mowers are available.)

Jason can mow his parents' yard in 3 hr. His brother can mow it

in 4 hr. How long would it take them, working together, to mow
the yard? (Assume two mowers are available.)

1 Answer

Jason can mow his parents' yard in 3 hr. His brother can mow it in 4 hr. How long would it take them, working together, to mow the yard? (Assume two mowers are available.)<…

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