Jane Can Do A Job In 3 Hours. If janet works for an hour before garry helps her, how long will it take them to finish the. john can do a certain job in 3 hours,sarah can do the same job in 7 hours,jane can do the same job in 5 hours,how long will the job take the three of them working together?. If janet worked an hour before garry began to help her, how long will it take them to finish the job together. Raymond can do a job in 3 hours, while it takes robert 2 hours. To avail this benefit, the.
answer (1 of 5): jane can paint an office in 3 hours manny can do the same job in 4 hours. so, to find how much they can work together, we need to add their rates, so their rate together is going to be 1 over 3 plus 1 over 2, which is equal to 3 times 261 times 2 plus 3. Jane Can Do A Job In 3 Hours answer 55 people found it helpful sqdancefan answer: Rate x time = job. (1 job)/ (3 hours) = (1/3) job/hour.
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It can also be used in problems that involve pipes filling up a tank. If janet works for an hour before garry helps her, how long will it take them to finish the. experienced high school chemistry teacher. 1/3 x + 1/4 x. janet can do a job in 3 hours, while garry can do the same job in 2 hours. The key to this type of problem is: so, to find how much they can work together, we need to add their rates, so their rate together is going to be 1 over 3 plus 1 over 2, which is equal to 3 times 261 times 2 plus 3. Jane Can Do A Job In 3 Hours.