a is twice as good as b and together they finish a peice of work in 16 days the number of day taken by a alone to finish the work is ?
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Answer:
a: 24 days and b: 48 days
Step-by-step explanation:
together they finish a peice of work in 16 days
so 1/a+ 1/b= 1/16 and a is twice as good as b, so 1/a=2/b
so we have 2/b+1/b=3/b=1/16 so b=48
so a =24
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