Question

The ratio of parents, students and teachers is

21:3:6.
What proportion of the total is parents?
GIVE ANSWER IN PERCENTAGE.

Answer 1

Answer

Explanation:

21+3+6

= 30

Ratio of parents = 21

10% of 30 = 30/10

= 3

21 is __% of 30

= 21/30 * 100

= 0.7 * 100

= 70%