Answer:
6miles/hour
Step-by-step explanation:
Speed = Distance/time
So speed is: 
You will get 6/2 from this so you get 6miles/hour
Solution
For this case we can use the following formula:

Where:
P= 400800 = present value
A= future value
r= 0.055 interest rate
n= 4, number of times that the interest is compund in a year (quarterly)
t= 4 years
Replacing we got:

then the interest would be:
Answer:
D. 10/50
Step-by-step explanation:
3/5 = 60%
12/20 = 60%
15/25 = 60%
10/50 = 20%
18- 4/9 = 17 9/9 - 4/9 = 17 5/9 litters