Exactly 2/5th of the children in a certain class are girls. If there are 100 boys in the class, how many girls are in the class? Choose the correct choice from the following choices:
A) 50  B) 100  C) 150  D) 200  E) 70
This means 2/5 of the class are boys   2x/5=100   x=250   therefore, girls = 150   Answer is 150
<result>C</result>
Exactly 2/5th of the children in a certain class are girls. If there are 100 boys in the class, how many girls are in the class?