The Answer is B Because 50 x 3 = 150... Weird Pic thou
ANSWER

EXPLANATION
First equation:

Second equation:

Let us equate the two equations and solve for x.
This implies that;

Group similar terms to obtain:

Simplify:

Divide both sides by 3

Put x=-2 into any of the equations.
I will put x=-2 into the first equation:

This implies that,

Slope= 1/2
Y intercept= (0,2)
Explanation:
Slope-intercept form is y=mx+b
-2x+4y=8
-8-2x=-4y
Divide by -4
2+1/2x=y
Y=1/2x+2
Add the two speeds together, then divide the two, this gives the average speed. Hope this was helpful!
Simplify both to 1/2 because both numerators are half of their denominators. Then multiply straight across to 1/4.