SOLUTION: it takes gary twice as long to mow his lawn as it takes his father to do the same job. if they work together they can complete the job in 1 1/2 hours. how long would it take gary t
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-> SOLUTION: it takes gary twice as long to mow his lawn as it takes his father to do the same job. if they work together they can complete the job in 1 1/2 hours. how long would it take gary t
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Question 409866: it takes gary twice as long to mow his lawn as it takes his father to do the same job. if they work together they can complete the job in 1 1/2 hours. how long would it take gary to do the job alone? Answer by fractalier(6550) (Show Source):
You can put this solution on YOUR website! The normal setup for a problem like this is:
t is the time they work together. A and B are how long they would take working alone. The 1 represents one complete job.
For this problem, we let the first term be Gary...if if it takes Dad A hours, Gary takes 2A...
Now multiply by 2A and get
A = 9/4 = 2 1/4 hours
Therefore it takes Gary 4 1/2 hours alone...
