Question

If a plane can travel 510 mph with the wind and 430 mph against the wind, find the speed of the plane without a wind and the speed of the wind.

Answer 1

510 = a + w
430 = a - w

Answer 2

so you airplane is the average of the 2 ....

Answer 3

do you know how to find the middle value between 2 numbers?

Answer 4

thats one way of seeing it yes; the winds cancel

Answer 5

thats the way we prefer it yes ....

Answer 6

a+a = 2a

Answer 7

510 = a + w
430 = a - w
-----------
940 = 2a

Answer 8

thats correct :)

Answer 9

thats what i see it as

Answer 10

youre welcome