alexangeles821 alexangeles821
  • 16-04-2019
  • Mathematics
contestada

On monday 350 people bought tickets .... helpppp

On monday 350 people bought tickets helpppp class=

Respuesta :

va648314 va648314
  • 16-04-2019

Answer:

C

Step-by-step 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.

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