Question

one person can doa certain job in ten minutes, and another person can do the same job in fifteen minutes. How many minutes will they take to do the job together? If x represents how many minutes to do the job together, then how much of the job does the slowest person do

Answer 1

First person = 10 min
Second person = 15 min
Time together = x

Equation Formation

x = (10+15) ÷2
x = 12.5

Answer = 12.5 minutes

Amount of Job done by the slowest person.
10/25 × 100 = 40%

Answer = 40%