3.
Sol
There are 32 students in a class of which 12 are girls. Find:
The ratio of number of
boys to number of

1 thought on “3.<br />Sol<br />There are 32 students in a class of which 12 are girls. Find:<br />The ratio of number of<br />boys to number of”

1. Step-by-step explanation:

   total number of students = 32

   girls in the class = 12

   boys 8n the class = 32–12

   =20

   the ratio of boys to total number of students

   = 20: 32

   =5: 8

   the ratio of numbers of girls to number of students

   =12:32

   =3:8

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