SOLUTION: a plane travels 400 miles in 1 3/4 hours. Its average rate of travel is closest to: A. 175 mph B. 700 mph C. 200 mph D. 229 mph

Algebra ->  Rate-of-work-word-problems -> SOLUTION: a plane travels 400 miles in 1 3/4 hours. Its average rate of travel is closest to: A. 175 mph B. 700 mph C. 200 mph D. 229 mph       Log On


   

Question 1069645: a plane travels 400 miles in 1 3/4 hours. Its average rate of travel is closest to:
A. 175 mph
B. 700 mph
C. 200 mph
D. 229 mph
Answer by ikleyn(52803) About Me  (Show Source):
You can put this solution on YOUR website!
.
1 3%2F4 hour = 7%2F4 hour.

400 : 1 3%2F4 = 400%2F%28%287%2F4%29%29 = %28400%2A4%29%2F7 = 228.57 mph.