Answer:
160
Step-by-step explanation:
The total number of girls in grade is = 120
the ratio of girls to boys is 6/8
Let the number of boys be x
[tex]\frac{6}{8} = \frac{120}{x}[/tex]
6 x = 120 x 8 = 960
x = 960/6
x = 160
Number of boys in grade = 160