Answer:
17/56
7/8 - 4/7 = 17/56
The answer is {D}
Step-by-step explanation:
25
20*5=100%
then you multiply 5 by 5 giving you 25
Givens
D = 621 miles
r = 51.75
t = ?
Formula
d = r * t
Solve
621 miles = 51.75 * t Divide by 51.75
621 / 51.75 = t
t = 12 hours.
Answer B