the girls gym teacher needs to purchase 15 softballs, 5 package of tennis balls and two soccer balls.she plans to collect $1 from each of her students to help pay for balls.write and evaluate an expression to show how much more the teacher will have to pay.

99$ is what i got

this was a hard one

I don't understand

To find out how much more the teacher will have to pay, we first need to calculate the total cost of the balls.

Let's assign variables to represent the prices of each item:
- Price of a softball: s
- Price of a package of tennis balls: t
- Price of a soccer ball: b

The teacher needs to purchase:
- 15 softballs: 15s
- 5 packages of tennis balls: 5t
- 2 soccer balls: 2b

Now, we can write an expression to represent the total cost of the balls:
Total cost = (15s) + (5t) + (2b)

Since the teacher plans to collect $1 from each student, we need to deduct the amount collected from the total cost:
Amount to be paid by the teacher = Total cost - (15 x 1)

Simplified expression:
Amount to be paid by the teacher = Total cost - 15

Now, the expression to show how much more the teacher will have to pay is:
Amount to be paid by the teacher - 15

To evaluate this expression, you need the actual prices of the softballs (s), tennis balls (t), and soccer balls (b) to substitute in the expression.