A can do a job in 12 days. b is 70% more efficient than
a. how many days b will take to complete the job alone?
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Work = a × 12 days
Given that b = a + (70% of a) = a + 0.7a = 1.7a
Both are doing same work
a × 12 days = b × No. of days
a × 12 days = 1.7a × No. of days
No. of days = 7.0
b can do work in 7.0 days
Given that b = a + (70% of a) = a + 0.7a = 1.7a
Both are doing same work
a × 12 days = b × No. of days
a × 12 days = 1.7a × No. of days
No. of days = 7.0
b can do work in 7.0 days
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