Answer:
C. 120 students
Step-by-step explanation:
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
Answer:
aₙ= 6 n
Step-by-step explanation:
A honey comb cell contain 6 cells
a₁ = 6
d=6
aₙ = 6 + (n-1)6
= 6 n
your answer is C. substraction