The number of boys is:
30 - 12 = 18.
18 boys* (1/3)= 6 boys
There are 6 boys who study history.
6 students/ 30 students= 1/5.
1/5 of the students are boys who study history~
<span>A) √7 is the only option.</span>
The answer is 20 because if you subtract the two Q which is 40 and 20 that is your interquartile range
