At the city museum, child admission is $5.10 and adult admission is $8.20 . on thursday, four times as many adult tickets as child tickets were sold, for a total sales of $1174.90 . how many child tickets were sold that day?

(d)

step-by-step explanation:

given: the line in the graph passes through points (5,30) and (6,26).

then, the equation of line is:

now, put y=a(n) and x=n,

hence, option d is correct.

good job you smart son of a gun you are smarter that einstein. 7