•Alvin and Resty can finish painting the room in 2 hrs working together. Alvin can finish the same job in 3 hrs less than Resty. How long will it take Resty to paint the room when he works alone?
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Answer:
Their combined rate of work is 1%2F2 of the job per hour.
Alvin's individual rate of work is 1%2F3 of the job per hour.
Hence, Resty's individual rate of work is the difference - = - = of the job per hour.
It means that Resty can complete the job in 6 hours working alone.
Answer:
that the answer po, hope its help