Question

a can do a work in 5 days and b can do it in 8 days. in how many days will ​

Answer 1

the answer

b has done his work in 8 days and a done his work in 5 days

the fastest worker is A that is 5 days

Slowest worker is b 8 days

Answer 2

Required number of daus =

$\frac{1}{5} + \frac{1}{8} = \frac{8 + 5}{40} = ( \frac{13}{40})^{ - 1} = \frac{40}{13} = 3.07 \: days$

Step-by-step explanation:

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