Question

3. There are 750 students in a college. If 70% of them are girls, how many are boys? A. 225 B. 310 C. 490 D. 525 E. 680​

Answer 1

Step-by-step explanation:

percent is 100

girls are 70%, boys are 30%

30/100 × 750

= 225

Answer 2

total students = 750

% age of girls = 70%

not of girls =70% of 750

`(70x750)/(100)` = 525 students

not of boys = 750 - 525 = 255 students

answer is 225