At the movie theatre, child admission is $5.20 and adult admission is $8.80. on saturday, 123 tickets were sold for a total sales of $891.60. how many child tickets were sold that day?

the answer is a

step-by-step explanation:

set each factor equal to 0

4x-3 = 0

2x-1 = 0

solve for x.

4x-3=0

4x=3

x= 3/4

solve for x. 

2x-1= 0

2x= 1

x= 1/2

eventually after a few more steps, your answer should be 1/2 is less than or equal to x and 3/4 is greater than or equal to x