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PLEASE ANSWER At the city museum, child admission is  $5.70  and adult admission is  $9.30 . On Saturday,  155  tickets were sold for a total sales of  $1200.30 . How many adult tickets were sold that day?​

Respuesta :

isabellaashleychan

Answer:

88

Step-by-step explanation:

x = # of tickets for children

y = # of adult tickets

5.7x + 9.3y = 1200.3

x + y = 155

y = 155 - x

5.7x + 9.3(155 - x) = 1200.3

5.7x + 1441.5 - 9.3x = 1200.3

-3.6x = -241.2

x = 67

we want y

x + y = 155

67 + y = 155

y = 88

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