Answer:
1.9 miles per minute
Explanation:
The speed of a substance can be calculated by using the formula:
S = d/t
Where;
S = speed (m/s)
D = distance (m)
t = time (s)
In this question, the units for the distance and time are miles and minutes respectively. Hence, the speed is:
S = 85miles ÷ 45 mins
S = 1.888 miles/min
S = 1.9 miles per minute
