To solve the given problem
We can consider,
30% are girls of 30 people
70% are boys in 30 people
In order to get the number, we just multiply the total number
of people with the percentage of the designated target populace.
<span><span>1. </span>30 x 0.3 =
9 girls</span>
<span><span> 2. </span>30 x 0.7 =
21 boys</span>
<span><span> 3. </span>21 boys + 9
girls = 30 people</span>
