The answer is no solution
There would be
"five ways" to bring three DVD's. If you divide fifteen by three there would be five.

To prove your work:

Hope this helps!
Answer:
2
Step-by-step explanation:
x + 3 = 5
x = 5 - 3
x = 2
Therefore, x=2 in the given equation
Answer:
80
Step-by-step explanation:
90/100*x=72
9/10*x=72
x=72*10/9
x=80