I got (B)
But wait until someone else answers
Answer: 
Step-by-step explanation:

Subtract 20x

add 15

Combine like terms

Divide by -25 (NOTE: When dividing or multiplying by negative numbers the inequality sign flips.)

The distance between them is 4.0
The equation would be 1.5-(-2.5)=d
Hope that helps?
<h2>Please ask maths questions next time </h2>
(f+g)(5)=33 is the answer