Simplify the expression and you get
~3x+6y
Hey!
You must divide the amount of money he spent by the amount of money each ticket costs:
32 ÷ 8 = 4
So, Mr. Chen bought 4 tickets.
18 divided by 60 = 0.3
0.3 x 100 = 30
18 is 30% of 60
The subtotal of the meal is $34 because 15% of $40 is $6