Answer:
4.75
Step-by-step explanation:
6+x+2•x =25
The answer is 20% just divide them and move the decimal 2 ways to the right
Y=18
x=6
following since they vary directly it would be in
y=mx form
18=m(6)
6*3=18
your answer is y=3x
This is the simplest way I could explain that complex question.