- a does 75% of a work in 25 days. he then calls in b and they together finish the remaining work in 5 days. how long b alone would take to do the whole work
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a is finished the work 25 day the 75% part of work
so
1 day work is = 75/25=3%
so A finish the 100% work in 34 days
now both A and B finish this work in 5day
100% work in 5 day
so 1 day work is = 100%/5
=20%
only B finish work in one day is = 20%-3%
=17%
so 100% work finished by B= 1*6= 6 day
so
1 day work is = 75/25=3%
so A finish the 100% work in 34 days
now both A and B finish this work in 5day
100% work in 5 day
so 1 day work is = 100%/5
=20%
only B finish work in one day is = 20%-3%
=17%
so 100% work finished by B= 1*6= 6 day
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