ken can do a job in 6 hours sejun take 3 hours to do the same job. how long will it takes them working together? let x be the number of hours working them together.
with solution for the brainliest.
note: don't answer if you don't know what to answer.
with solution for the brainliest.
note: don't answer if you don't know what to answer.
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Answer:
let x= number of hours if they work together
1/6 + 1/3 = 1/x
x6=x6
6/6 + 6/3 = 6/x
1+2=6/x
3=6/x
3x=6
x=2
therefore, if they work together they can finish the job within 2hours