SOLUTION: 3 people take 2 hours to pack 50 bricks.how many hours wil 5 people take?

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Question 1093057: 3 people take 2 hours to pack 50 bricks.how many hours wil 5 people take?
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
r, rate for one person
x, unknown time

system%283r%2A2=50%2C5r%2Ax=50%29

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50 bricks in both parts of the description.
3r%2A2=5r%2Ax
6=5x
x=6%2F5
x=1%261%2F5------------- 1 hour 12 minutes