Answer:
28
Step-by-step explanation:
180=90+x+2+2x+4
90=3x+6
84=3×
x=28
So distance = rate × time. You would do 3/4 × 5.5, which would get you 4.125.
I can't see the options, but you would need to multiply (4x - 2y = 7) by 3, and (3x - 3y = 15) by 4 so that you get 12x in both equations. Then when you subtract, you eliminate 12x. I hope this helps!