SOLUTION: Two planes just took off from Salt Lake City, UT. The first plane is traveling two times as fast as the second plane. After traveling in the same direction for 4.5 hours, they are
Algebra.Com
Question 958094: Two planes just took off from Salt Lake City, UT. The first plane is traveling two times as fast as the second plane. After traveling in the same direction for 4.5 hours, they are 450 miles apart. What is the average speed of each plane?
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
Two planes just took off from Salt Lake City, UT. The first plane is traveling two times as fast as the second plane. After traveling in the same direction for 4.5 hours, they are 450 miles apart. What is the average speed of each plane?
***
let x=speed of 2nd plane
2x=speed of 1st plane
2x-x=x=speed at which the two planes are moving apart
travel time*speed=450
4.5x=450
x=100
2x=200
ave speed of 2nd plane=100 mph
ave speed of 1st plane=200 mph
RELATED QUESTIONS
Two planes just took off from Salt Lake City, UT. The first plane is traveling 4 times as (answered by josmiceli)
Two planes take off from Salt Lake City, UT. The first plane is traveling 2.5 times... (answered by checkley77)
Two planes just took off from Milwaukee, WI. The first plane is traveling 3.5 times as... (answered by Fombitz)
Two planes just took off from St. Louis, MO. The first plane is traveling 3 times as... (answered by dkppathak)
Two planes just took off from Milwaukee, WI. The first plane is traveling
2 times as... (answered by Alan3354)
Two planes just took off from St. Louis, MO. The first plane is traveling 1.5 times as... (answered by jorel555)
Two planes just took off from Reno, NV. The first plane is traveling 4 times as fast as (answered by checkley79)
Two planes just took off from Boston the first plane is traveling 3.5 times as fast as... (answered by josgarithmetic)
Two planes just took off from St. Louis, MO. The first plane is traveling 1.5 times as... (answered by Boreal)