28/x = 40/100
Cross multiply
40x = 28(100)
40x = 2800
Divide both sides by 40
x = 70 students
First you need to move that n over im fairly certain
N 2-1 < 3
n is equal to :
2-1 = 1 so n would have to be 1 in order to be less than 3
[(21 + 6) - 32] : 9.2 = (27 - 32) : 9.2 = -5 : 9.2 = -46
