SOLUTION: if sam can do a job in 4 days that lisa can do in 6 days and tom can do in two days how long would the job tabe if sam,lisa ,and tom worked together to completed
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Question 532530: if sam can do a job in 4 days that lisa can do in 6 days and tom can do in two days how long would the job tabe if sam,lisa ,and tom worked together to completed
You can put this solution on YOUR website! if sam can do a job in 4 days that lisa can do in 6 days and tom can do in two days, how long would the job take if sam, lisa ,and tom worked together to completed
:
Let t = time required when all worked
Let the completed job = 1
:
A typical shared work equation, each will do a fraction of the job, the 3 fractions add up to 1 + + = 1
Multiply by 12
12* + 12* + 12* = 12
Cancel out the denominators and you have:
3t + 2t + 6t = 12
11t = 12
t =
t = 1.09 days, or 1 day + .09(24) = 1 day 2.2 hrs
