Its 360 beacuse u multiply all of those numbers
=3y-11, 4x-3y=-26 Substitution
In 1500 people of 200 lb each, the total weight would be 300000 lb.
Set up a proportion: 200lb/3.2*10^-5 = 300,000lb/x
(3.2*10^-5*300,000)/200 = x
x = 0.48, I believe
Answer: x=3
should be the correct answer