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A man can do a piece of work in 5 days. He and his son working together can finish it in 10 days. In how many days can the son do it alone? |
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Answer» let, man=A and son=BA=5d and A+B=3dB=?we now that,TIME and work are inversely propertinali.e: A=2 days so A's work is 1/2now , A=1/5 and A+B=1/3use, A+B = A+B1/5+1/x=1/31/x=2/152x=15x= 7 1/2 or 7.5Step-by-step explanation:pls mark me as a BRAINLIEST |
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