Rate of work for aviation

Rate of work for aviation

Mower A can mow the village park in 3 hours and mower B can mow it in 2 hours. At 7 am Mower A began to mow the parkand was joined by Mower B at 7:30 am. At what time was the job completed?

" A man can lay a concrete sidewalk in 5 days; his assistant can lay the same sidewalk in 8 days. After working together for 2 days, the man is called away. How long will it take the assistant...

rate of work word problem

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