Answer:
20
Step-by-step explanation:

We're dividing fractions, so we will flip the one in the denominator upside down and we will multiply it with the numerator.

Let's equal this too 8/x

Cross multiply.

Divide both sides by 15.
Answer:
Division is not commutative because 25÷5 does not equal 5÷25
Step-by-step explanation: