Question

A biology class has 12 boys and 18 girls .what fraction of the class are boys?
Solution. 12/30=2/5
Please tell me this correct or not.

Answer 1

Your answer is correct.


b = boys

g = girls


b + g = 12 + 18 = 30

Boys:

b = 12 / 30 = 2 * 2 * 3 / 2 * 3 * 5 = 2 / 5

Answer 2

2/5

Answer 3

Three eights of a class are boys. What fraction of the class are
girl?

Answer 4

Not corrrct