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13. 100 tickets were sold to a choir concert. Students cost $2 and adults cost $5. Sales totaled
$290. Find how many of each type were sold.

Respuesta :

Answer:

The answer would be 70 student tickets and 30 adult tickets.

Step-by-step explanation:

2x+5y=290

-2x-2y=200

-----------------

3x/3 = 90/3

y=30

100-30=70

x=70

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