a and b together complete a piece of work in 30 days, while a alone will be able to complete the same work in 70 days how many days will b alone take to complete the work
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Answer:
the answer is 40
because the a and b done the work in 30 days and alone. b done the work in 40 days
Step-by-step explanation:
total days -no. of days in which a done the work alone
70-30=40
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