At the city museum, child admission is $5.30 and adult admission is $9.70. On Sunday, 147 tickets were sold for a total sales of $1131.10. How many adult
tickets were sold that day?
Number of adult tickets:

Respuesta :

Answer:

number of children tickets --- x

number of adult tickets ------ 2x

solve for x:

5.5x + 9(2x) = 611