Math, asked by Xavier8820, 1 year ago

Brajen can paint a wall red in 10 hours while ballari can whitewash the wall completely in 12 hours. If brajen and ballari work altenmtely for an hour each starthg when the wall hasjust cement on it till when it is completely painted red, how many hours will it take to paint the entm wall red?

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Answered by thehappyworld

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