The ratio of number of boys and girls in a school is 2:5. If there are 490 students in the school, find the number of girls in the school?
Choose the correct choice from the following choices:
A) 150 B) 350 C) 300 D) 370 E) 280
Let the number of boys and girls be 2x and 5x   Total students = 490   Number of girls in the school = 5*490/7= 
<gadget id="calculator">5*490/7</gadget>
<output>350</output>
350   Answer is 350
<result>B</result>
The ratio of number of boys and girls in a school is 2:5. If there are 490 students in the school, find the number of girls in the school?