SOLUTION: It takes two people 11 hours to complete a task. one person is three hours faster how long does it take for them to complete task seperatly
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Question 618090: It takes two people 11 hours to complete a task. one person is three hours faster how long does it take for them to complete task seperatly
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
(11 / x) + [11 / (x + 3)] = 1
11(x + 3) + 11(x) = x(x + 3)
22x + 33 = x^2 + 3x
0 = x^2 - 19x - 33
use quadratic formula to find x, then x+3
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