Question

1/6 of thw class are above average,1/4 are average and the rest are below average.if there are 48 students in all , how many students are below average?

Answer 1

Students above average = 1/6 of 48 = 7
Average students = 1/4 of 48 = 12
Students below average = 48 - 12 + 7 = 48 - 19 = 29.

Answer 2

Let the below average students be x As per prob. 1/6*48+1/4*48+x=48 On simplifying we get 7+12+x=48 19+x=48 X=48-19 X=29 The fore below aveeage students =x=29 Hope this helps u..