Question

How many boys are there in an introductory biology course if 396 students are enrolled and there are four boys to every five girls?

Answer 1

176 boys

Explanation:

boys(4) + girls (5) = 9

396 / 9 = 44 (group to 4 boys and 5 girls)

44 x 4 (boys of group) = 176 boys in total