The ratio of number of boys and girls in a school is 2:5. If there are 210 students in the school, find the number of girls in the school? Choose the most appropriate option
A) 150 B) 250 C) 300 D) 370 E) 280
Let the number of boys and girls be 2x and 5x   Total students = 210   Number of girls in the school = 5*210/7= 
<gadget id="calculator">5*210/7</gadget>
<output>150</output>
150   150nswer is 150
<result>A</result>
The ratio of number of boys and girls in a school is 2:5. If there are 210 students in the school, find the number of girls in the school?