Respuesta :

SuperSupreme

Answer: 250 Hamburgers sold

Step-by-step explanation:

x = hamburgers

y = cheeseburgers

x+y=434

66 fewer cheeseburgers than hamburgers

 

y = x - 66

Substitute y into the first equation

x + (x-66) = 434

2x = 434 + 66

2x = 500

x = 250 hamburgers sold

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