Question

so far, 18 of the 25 students in your class have turned in field trip permission slips . what percent of your classmates have turned in permission slips?

Answer 1

72% of the class has submitted the field trip permission slip.
Hope this helps:)
I am sure about it.

Answer 2

25 - 18 = 7, 7/100, = 0.07, 7%
I'm not sure this is right but I believe it would be