400 miles/hour. 1,600/4=400 so its B
Answer:
Distance to appointment point = 5 miles
Step-by-step explanation:
Let s be the distance to the appointment point,
We have Maria drove to a business appointment at 50mph in the morning.
Time taken in the morning
Her average speed on the return trip in the afternoon was 40 mph.
Time taken in the afternoon
Given that the return trip took 1/4hr longer because of traffic.
That is
Substituting
Distance to appointment point = 5 miles
5^20= 9.5367432e+13
4^13= 67108864
There are one 4/5 in 1 cus (1=5/5)
Answer:
I believe the answer is m=30
Step-by-step explanation:
How I got this answer:
first cross multiply
9(m+3) = 11(m-3)
9 m - 11 m = -33 -27
-2m = -60
m= 30 - (Check if the solution is in the defined range).