problem 1:

if a person rows to his favorite fishing spot 14 miles downstream in the same amount of time that he rows 2 miles upstream and if the current is 6 mph, find how long it takes him to cover 16 miles.

it will take the person _ hour(s) to cover a distance of 16 miles.

problem 2:

mattie evans drove 140 miles in the same amount of time that it took a turbopropeller plane to travel 500 miles. the speed of the plane was 180 mph faster than the speed of the car. find the speed of the plane.
the speed of the plane ws _ mph.

problem 3:

two trains going in opposite directions leave at the same time. train b travels 15 mph faster than train a. in 8 hours the trains are 920 miles apart. find the speed of each.

the speed of train a is
_ mph.
the speed of train b is
_ mph.

problem 4:

a plane flies 495 miles with the wind and 440 miles against the wind in the same length of time. if the speed of the wind is 10 mph, find the speed of the plane in still air.

the speed of the plane in still air is
_ mph.