Question
A plane traveled 510
mph with the wind and 470
mph against the wind. Find the speed of the plane in still air and the speed of the wind
mph with the wind and 470
mph against the wind. Find the speed of the plane in still air and the speed of the wind
Answers
Reiny
let speed of plane be x mph
let the speed of the wind be y mph
x+y = 510
x-y = 470
how about adding these two and see what happens.
let the speed of the wind be y mph
x+y = 510
x-y = 470
how about adding these two and see what happens.