A can do a work in 36 days and b is 20% more efficient than a. If a started working and worked for 8 days and left then in how many days will b do the remaining work?
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A=36days
A:B=100:120=5:6
A=5 unit pr day
B=6 unit pr day
total work=5×36=160 units
A do work for 8 days
160-8days×5unit= 120unit remaining
B can do 120 unit in -->
120/6=20days
A:B=100:120=5:6
A=5 unit pr day
B=6 unit pr day
total work=5×36=160 units
A do work for 8 days
160-8days×5unit= 120unit remaining
B can do 120 unit in -->
120/6=20days
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