Answer:
The answer is 16
Step-by-step explanation:
C. 120 students
10 + 15 + 20 +30 = 75%
100 - 75 = 25%
25% chose football which is 100 students
30% chose swimming
setup proportion:
25/100 = 30/x
25x = 100(30)
25x = 3000
x = 120
all the letters weighed 31.5 ounces.
