=(new-old)/old *100%
=(90-75)/75 *100%
=20%
<span> hope it helps</span>
Answer:
Here are the answers. Need to have 20 characters for answer. Phew
C is the correct answer.<span />
-10 is equal to 5 subtracted from a number
Assume that the number is x
So the equation will be

we put x at first because in subtraction the number after the word "from" comes first
Now let us find x
We need to move 5 to the left side to find x, so add 5 to both sides

The number is