Question

On monday 350 people bought tickets .... helpppp

Answer 1

C

Explanation:

If you use substitution, you will figure out that x=350-y, and 3x=1050-3y. If you plug this into the equation, 1050-3y+7y=2050.

Simplifying, we get 1050+4y=2050, and 4y=1000.

Divide each side by 4 to get y=250.