In a class, there are 18 boys who are over 160 cm tall. If these constitute three-fourths of the boys and the total number of boys is two-thirds of the total number of students in the class, what is the number of girls in the class ?  Pick one: A) 6 B) 12 C) 18 D) 19 E) 22
In a class, there are 18 boys who are over 160 cm tall. If these constitute three-fourths of the boys , then total no of boys = 18*4/3= 
<gadget id="calculator">18*4/3</gadget>
<output>24</output>
24 boys.   the total number of boys (24)is two-thirds of the total number of students in the class, then total students= 24*3/2= 
<gadget id="calculator">24*3/2</gadget>
<output>36</output>
36   no. of girls= 36-24= 
<gadget id="calculator">36-24</gadget>
<output>12</output>
12   ANSWER:12
<result>B</result>
In a class, there are 18 boys who are over 160 cm tall. If these constitute three-fourths of the boys and the total number of boys is two-thirds of the total number of students in the class, what is the number of girls in the class ?