The sum of number of boys and girls in a school is 300. If the number of boys is x, then the number of girls becomes x% of the total number of students. The number of boys is?	Choose the correct choice.
A) 50 B) 40 C) 60 D) 100 E) 75
We have x+x% of 300 = 300   x + x/100 * 300 = 300   4 * x = 300   x = 75   Answer is 75
<result>E</result>
The sum of number of boys and girls in a school is 300. If the number of boys is x, then the number of girls becomes x% of the total number of students. The number of boys is?