Question

Jonathan’s class has 30 boys. Of the students in his class, 60% are girls. How many girls are in Jonathan’s class?

Answer 1

so from 60% to 100% there are 40% - yes ?
from what result that these 30 boys mean 40%
so using the rule of 3 simple you can writing

30 boys mean 40%
x girls mean 60% cross multiplie and calcule the value of x

x = ?


hope helped understandably