This might help it has tons of different problems for your subject.
https://www.wyzant.com/resources/lessons/math/algebra/calculators/proportion
Answer:
Step-by-step explanation:
8/v=6/v-3
8*(v-3)=6v
8v-8*3=6v
8v-24=6v
+24 +24
8v=6v+24
-6v -6v
2v=24
v=24/2
v=12 miles /hour
v2=12-3=9 miles /hour ( your friend)
6 and 1/3 or 19/3 or if you need the decimal 6.3 repeating
ANSWER
The product is

EXPLANATION
To find the product of

and

means we should multiply the two fractions.
We multiply to obtain,


Cancel the common factors:

Now, multiply the numerators separately and the denominators too separately.

This simplifies to,

Answer:
the 3rd one
Step-by-step explanation:
I just think