Question

In the 6th grade the ratio of 7:4. if there are 15 more boys than girls, how many 6th grade students are there in total?

Answer 1

55

Explanation:

Answer 2

let the number of girls=4x
then number of boys=7x
7x-4x=15
3x=15
x=15/3=5
boys=5*7=35
girls=4*5=20
number of students=35+20=55