math 117
posted by Diana .
A plane flies 720 mi against a steady 30 mi/h headwind and then returns to the same point with the wind. If the entire trip takes 10 h, what is the plane’s speed in still air?
Respond to this Question
Similar Questions

help,math
can some set the equation up for me. Science and medicine. A plane flies 720 mi against a steady 30mi/h headwind and then returns to the same point with the wind. If the entire trip takes 10 h, what is the plane’s speed in still … 
math,correction
Problem #3 Science and medicine. Adriana took 2 h longer to drive 360 mi on the first day of a trip than she took to drive 270 mi on the second day. If her speed was the same on both days, what was the driving time each day? 
physics
A plane flies directly from city A to B, which are separated by 2300mi. From A to B, the place flies into a 65mi/hr headwind. ON the return trip from A to B, the wind velocity is unchanged. The trip from B to A takes 44 min less than … 
math
When an airplane flies with a given wind, it can travel 3000 km in 5hrs. When the same airplane flies in the opposite direction against the wind it takes 10hrs to fly the same distance. Find the speed of the plane in still air and … 
PreAlgebra
Question is: What is the algebraic equation to determine when they will meet? 
PreAlgebra
Question is: What is the algebraic equation to determine when they will meet? 
math
A plane flies the first half of a 5600 km flight into the wind in 3.5 hours. The return trip, with the same wind, takes 2.5 hours. Find the speed of the wind and the speed of the plane in still air. 
Algebra
How do you sole the problem below? Kevin flies a plane against a headwind for 5600 miles. The return trip with the wind took 10 hours less time. If the wind speed is 5 mph, how fast does Kevin fly the plane when there is no wind? 
Algebra
A plane is traveling at a speed of 160 mph in still air. Flying with a tail wind, the plane is clocked over a distance of 800 miles. Flying against a headwind it takes 3 more hours to complete the return trip. What was the wind velocity? 
Algebra
a small plane can fly 1575 miles in 7 hrs in a tailwind. On the return in a headwind, the same trip takes 9 hrs. find the speed in still air (no wind). Then the speed in wind.