Tom K. answered 07/14/20
Knowledgeable and Friendly Math and Statistics Tutor
Let s = students and n be non-students
s + n = 373
3.20 s + 5.20 n = 1463.60
As s + n = 373, s = 373 - n
3.20(373 - n) + 5.20n = 1463.60
1193.60 - 3.20n + 5.20n = 1463.60
2.00n = 270
n = 270/2.00 = 135
s = 373 - 135 = 238
238 students
135 non-students