Answer:
The students donated a total of $98.75.
Explanation:
Because 20 students donated $2.50 each, multiply 2.50 by 20.
2.50*20=50
Because 15 students donated $3.25 each, multiply 3.25 by 15.
3.25*15=48.75
Lastly, add 50 and 48.75 together to find the total donations.
50+48.75=$98.75