Answer:
y=
Step-by-step explanation:
x/y=n-9
x= y(n-9)
x= yn-9n
-yn= -x-9n
yn= x+9n
y=
Answer:
Divisor
Step-by-step explanation:
Given

Required
What does n represents
In arithmetic, the number that divides another is referred to as divisor;
Take for instance;

This implies that when 5 is divided by 3, the remainder is 2
The bold text (divided by 3) means that 3 is the divisor of 5;
When compared to 
We have that
n = 3
<em>Reason being that, n and 3 are in the same position base on order of appearance;</em>
Hence, n represents the divisor
Answer: 39.2 minutes
Step-by-step explanation:
Angela used 56minutes. Brain used 70% of Angela's time which will be 70% of 56.
70/100 × 56 = 39.2 minutes.
Therefore, Brian used 39.2 minutes for the test.