Question

100 POINT AND BRAINIEST TO THE CORRECT ANSWER WITH THE BEST EXPLANATION.

Answer 1

If 2/5 of the population are boys, then that means 3/5 of the population is girls

The proportion for girls is 3/5

Total students, divide total boys by fraction of boys:

450 / 2/5 = 1125 total students.

Number of girls = 1125 - 450 = 675 girls.

Answer 2

Answer:

⅗ of total;

675 girls

Step-by-step explanation:

⅖ × Total = 450

Total = 1125

p(Girls) = 1 - p(Boys)

= 1 - ⅖

= ⅗ × 1125

= 675