SOLUTION: Jack starts at a 20320 summit and walks downhill at a rate of 4 feet per second. Jill starts at the bottom of the mountain and walks uphill at a rate of 1 foot per second. At wha

Question 267565: Jack starts at a 20320 summit and walks downhill at a rate of 4 feet per second. Jill starts at the bottom of the mountain and walks uphill at a rate of 1 foot per second. At what elevation will they meet?
Answer by drk(1908) (Show Source): You can put this solution on YOUR website!
The Jack equation is

The Jill equation is

---set them equal as

add 4x to both sides to get

divide by 5 to get
seconds
They meet at
4064 feet
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