Question

A plane flies over city A and reaches city B in 12 minutes, which is 120 miles away from it. Find the speed of the plane in miles per hour assuming the plane flew at a constant speed.

A. 300 mi./hr.
B. 450 mi./hr.
C. 600 mi./hr.
D. 680 mi./hr.

ANSWER TO MY OWN QUESTION:    C. 600 mi./hr.

Answer 1

600mph

Explanation:

Answer 2

The correct answer for the question that is being presented above is this one: "C. 600 mi./hr. "

Plane flies from City A to City B in 12 minutes. The distance is 120 miles.
12 minutes is just 0.2 of 60 minutes.
= 120 miles / 0.2 hour
= 600 miles / hour