SOLUTION: David can type a 50 page paper in 8 hours. Last month David and Andy together typed a 50 page paper in 6 hours. How long would it take Andy to type a 50 page paper on his own? T

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: David can type a 50 page paper in 8 hours. Last month David and Andy together typed a 50 page paper in 6 hours. How long would it take Andy to type a 50 page paper on his own? T      Log On


   

Question 40877: David can type a 50 page paper in 8 hours. Last month David and Andy together typed a 50 page paper in 6 hours. How long would it take Andy to type a 50 page paper on his own?
Thank you
Answer by Paul(988) About Me  (Show Source):
You can put this solution on YOUR website!
Let x be the time
EQUATION:
1%2F8%2B1%2Fx=1%2F6
6%2B48%2Fx=8
6x%2B48=8x
2x=48
x=24
Hence, it would take him 24 hours.
Paul.