Gary can hike on level ground 3 miles an hour faster than he can on uphill terrain. Yesterday, he hiked 34 miles, spending 2 hours on level ground and 5 hours on uphill terrain. Find his average speed on level ground.
2007-10-22 08:20:44 · 9 answers · asked by amy f 1 in Sports ➔ Cycling
x = uphill hike speed
x+3 = level hike speed
5x = 5 hours on uphill terrain
2(x+3) = 2 hours on level ground
34 = total miles hiked
2(x+3) + 5x = 34
2x + 6 + 5x = 34
7x + 6 = 34
7x = 28
x = 4
4 mph = uphill hike speed
7 mph = level hike speed
2007-10-25 09:13:35 · answer #1 · answered by dougneb 3 · 0⤊ 0⤋
7 m.p.h.
take 6 from 34, divide 28 by 7 = 4 plus the extra 3 m.p.h.
2007-10-22 15:32:26 · answer #2 · answered by edward p 2 · 1⤊ 0⤋
Nobody can hike at 7 MPH. Tell your teacher I said so. And do you own homework.
Why post in a cycling category????
2007-10-22 15:56:08 · answer #3 · answered by Anonymous · 0⤊ 0⤋
You are in the wrong Yahoo! Answers category. Go to
Home > Education & Reference > Homework Help
2007-10-22 15:34:00 · answer #4 · answered by intrepidfae 7 · 0⤊ 0⤋
lance armstrong has a average speed of like 20 mph! what??!
2007-10-23 16:59:40 · answer #5 · answered by Luke A. 3 · 0⤊ 0⤋
try putting a math or homework help question in the math or homework help category, not in cycling.
2007-10-23 19:36:51 · answer #6 · answered by Steve 7 · 0⤊ 0⤋
If God would of wanted you to walk, he wouldnt of made bicycles
2007-10-23 12:14:16 · answer #7 · answered by ? 6 · 0⤊ 0⤋
i tell you who can help the nerds over in home work
2007-10-22 20:19:29 · answer #8 · answered by poozank 3 · 0⤊ 0⤋
E2=MC SQUARE
2007-10-22 16:39:56 · answer #9 · answered by RITCHIE V 2 · 0⤊ 0⤋