Respuesta :

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the answer is 371
the solution is (90, 53)
x+y= 143
90+53=143

5x+it= 821
5(90) + 7(53) = 821

students- 5(90)=450
adults- 7(53)= 371

450+371=821

the answer is $371
Tessakins

Answer:

They made 90 on adult tickets because if the solution is (90,53) its in the form of x,y so x would be 90 (90+53=143)

Step-by-step explanation:

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