Question

At the city museum, child admission is $5.20 and adult admission is $9.50. On Monday, 167 tickets were sold for a total sales of $1,255.40. How many child tickets were sold that day?

Answer 1

Answer: 77 children tickets were sold that day

Explanation:

5.20x+9.50y=1255.40

x+y=167

5.20x+9.50(167-x)=1255.40

x+y=167 5.20x+1586.50-9.50x=1255.40

-x -x -4.30x+1586.50=1255.40

y=167-x -1586.50 -1586.50

-4.30x=-331.1

-4.30 -4.30

x=77