Answer:

Step-by-step explanation:
To obtain the result of a fractions multiplication we need to multiply both numerators and the divide by the multiplication of the denomitators. In general, given a,b,c,d real numbers with b and d not zero, we have that

Substituting a,b,c and d for 8,15,2 and 13 we obtain that

It should take 1.75 minutes to run it 1.5 times
that is 1 and 3/4 minutes
The answer to this question is C.
The correct answer would be B E'F' and EF are equal in length.