Marya is in charge of keeping track of the funds of 84 youngsters attending a camp.

One day, the campers were offered the chance to purchase ice cream from an ice cream truck. All ice cream treats on the truck cost $2.25.

Three-fourths of the campers purchased one ice cream treat.

How can Marya express the overall change in the total funds of the 84 youngsters?

Complete the expression that will represent the change in the total funds.

15 points