Ellason wants to solve the following system using the elimination method:

5x + 2y = 30

x + y = 8

What number should the equation x + y = 8 be multiplied by to eliminate y?

2

-2

5

-5

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On Monday, a local hamburger shop sold a combined total of 504 hamburgers and cheeseburgers. The number of cheeseburgers sold was three times the number of hamburgers sold. How many hamburgers were sold on Monday?

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