30 students.....14 are boys...that means (30 - 14) = 16 are girls
if 2 boys are dropped......14 - 2 = 12 boys
and 2 girls are added......16 + 2 = 18 girls
fraction of the class that are boys is : 12/30 which reduces to 2/5 <==
D) as age increases, weight increases by 5
Height and then the inches over 12.
Ex. 5'4" = 5 4/12 or 5 1/3
The answer to this question is