a person can complete a job in 90 minutes while b can complete the same job in 54 minutes how long will it take to complete the job together
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Answered by
10
let a takes time=1/90
let b takes time=1/54
together time take by both is=1/90+1/54
lcm=270
so,3/270+5/270
8/270
by dividing answer=0.29 or 33.75
hope answer is helpful and if helpful please mark it as a brainliest answer.
let b takes time=1/54
together time take by both is=1/90+1/54
lcm=270
so,3/270+5/270
8/270
by dividing answer=0.29 or 33.75
hope answer is helpful and if helpful please mark it as a brainliest answer.
Answered by
3
they take 35 minutes to complete job together
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