A is thrice as good a workman as b and therefore is able to finish a job in 40 days less than
b. working together, they can do it in
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according to the question if a finish any work in x days then b will finish it in 3x days
3x -x = 40
2x = 40
x = 20
so a takes 20 days and b takes 60 days
1/20 + 1/60 = 4/60
it will give you 15 days
3x -x = 40
2x = 40
x = 20
so a takes 20 days and b takes 60 days
1/20 + 1/60 = 4/60
it will give you 15 days
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Step-by-step explanation: I think this one is wrong... ans is 10
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