A can do a piece of work in 45 days. he works at it for 15 days and then B alone finishes the remaining work in 24 days. Find the time taken to complete 80 % of the work, if they work together
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completed the remaining work i.e. 2/3 of the work in 24 days. So they can complete the total work, working together in 20 days. 100% of the work can be done in 20 days. 80% of the work would be done in 20×80/100 = 16 days
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A can do work 45 days
b alone=24 days finish
80% =20×100=16 andwer
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