A plane traveled 920 miles to Ft. worth and back the trip was with the wind it took 10 hours the trip back was into the wind the trip back took 20 hours find the speed of the plane in still air and the speed of the wind

45.36 feet per second

step-by-step explanation:

tyrone travels 30 miles in 58.2 minutes.  

1 mile = 5280 feet; this means he travels

30(5280) = 158400 feet in 58.2 minutes.

1 minute = 60 seconds; this means he travels 158400 feet in

58.2(60) = 3492 seconds.

this gives us the unit rate of

158400/3492 = 45.36 feet per second.

answer: given the scale 3,5 mm to 1 foot: so you know this and you need convert this 150mm to get the right answer.