help on algebra 2 question

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steve can paint a school room in 4 hr. miguel and jamal can each paint a school room in 3 hr. how long will it take the 3 of them working together to paint 22 rooms?

Oct 22nd, 2017

Together all three can paint  1/4 + 1/3 + 1/3 = 3/12 + 4/12 + 4/12 = 11/12 rooms / hours

They can paint 22 rooms in 22 / 11/12 = 24 hours

Feb 18th, 2015

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Oct 22nd, 2017
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Oct 22nd, 2017
Oct 23rd, 2017
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