Answers

2016-01-02T19:26:20+05:30
30days.he did his work in 8 days earlier and now he works halh day. please click thanks and brainliest answer.
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please click thanks and the brainliest answer.
my answer is right
2016-01-03T17:14:47+05:30


work both do normally each day=1/12

work keith do normally=1/20

work steve do=1/12-1/20=5/60-3/60=2/60=1/30

work keith will do =1/40

work both will do=1/30+1/40=4/120+3/120=7/120

days needed to work=120/7=18.5

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