a is 4 times fast as b and therfore is able to finish the work in 45 days less then b.
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0
Answer:
15 days
Step-by-step explanation:
a's efficiency is 4 and efficiency of b is 1
let a takes x days
b takes 4x days
given
4x-x= 45days
x= 15days
therefore a takes 15 days
b takes 60 days
Answered by
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QUESTION:
a is 4 time fast as b and therefore is able to finish the work in 45 days less then b
ME AND MY PROBLEM:
I did not understand
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