How much did Mr. Nguyen spend on tickets in all?

The answer will be C-115.75
You have to times 23 by 5.50 which you will get 126.50
Then you have to subtract that by 10.75
You will get C
Total cost BEFORE deduction
number of tickets being bought x Cost of ticket = cost of total tickets
23x$5.50=$126.5
Total cost AFTER deduction
Original total - amount of deduction = overall cost of tickets
$126.5-$10.75=$115.75
_______________________________________________
Highlight of equation:
(23x$5.50)-$10.75=$115.75