SOLUTION: Two hikers,Alan and Ben,are 12.4 miles apart walking towards each other. They meet in 4 hours. What is the rate of each hiker if Ben walks 0.5 mph faster than Alan? Alan's rate of

Algebra ->  Finance -> SOLUTION: Two hikers,Alan and Ben,are 12.4 miles apart walking towards each other. They meet in 4 hours. What is the rate of each hiker if Ben walks 0.5 mph faster than Alan? Alan's rate of      Log On


   

Question 906700: Two hikers,Alan and Ben,are 12.4 miles apart walking towards each other. They meet in 4 hours. What is the rate of each hiker if Ben walks 0.5 mph faster than Alan?
Alan's rate of speed is? Mph
Ben rate of speed is ? Mph
Answer by josgarithmetic(39618) About Me  (Show Source):
You can put this solution on YOUR website!
VARIABLIZED RATES
Alan's rate of speed is? r Mph
Ben rate of speed is ? r%2B1%2F2 Mph

They are walking toward each other so they approach at a rate r%2Br%2B1%2F2 mph, or 2r%2B1%2F2 mph.

t=4 hours
d=12.4 miles
highlight_green%28%282r%2B1%2F2%29%2A4=12.4%29
Solve for r.