Answer:
I think -10 is the answer
Answer:

Step-by-step explanation:
Given:



Required
Determine his after tax salary in terms of p
To do this, we simply make t the subject in 
Divide both sides by 1.25



Substitute p/1.25 for t in 

Ok so x has to be our unknown variable so 3/4x=20 so we divide keep change flip or kfc as we call it 3/4 times 1/20 would be 3/80
C. Equilateral Triangle - All of the sides are the same, which means its and equilateral triangle.