Answer:
Three
Step-by-step explanation:
Assuming the grade score from 70 to 100 is A; for grade score from 60 to 69 is B and grade score from 50 to 59 is C. Well it is certain there are three peaks in the distribution of scores
wag po kayo mag bibigay ng points na marami
Kasi ma iiscam po kayo
75 boys
Formula-Girls:Boys=Girls:Boys
5:6=_:90
90×5=450
450÷6=75
Its 13
20
8/2 equals 4 and 5 x 4 = 20.