Answer:8/10
Step-by-step explanation: 4/5 times 2 is 8/10 so they equal the same thing
We are trying to find miles/hour, which shows that we are going to be dividing the total number of miles by the total number of hours. Thus, in this case, the miles/hour rate will be:

He drove 40 miles in one hour.
The answer is A) -4/25 because when you multiply 8/15 and -3/10, you can simplify the expression to 4/5 times -1/5, which equals -4/25.
Answer is c 3 because it is multiplied 3 everytime