A complete a work at 4 times the speed than C. if together they can complete a work in 20 days in how many days can A alone complete it?
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the answer for your question is 16 days
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A complete work 4 times faster than C.
A= 4 C
=> A/4 = C
Time taken by A and C to complete the work =20 days
=> A+ C = 20
=> A + A/4 = 20
=> (4A + A)/4 = 20
=> 5A = 4× 20
=> A = 80/5
=> A = 16
Therefore, A can complete work in 16 days.
hope this will help you.
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