Monday

September 1, 2014

September 1, 2014

Posted by **Simran kaur** on Sunday, November 18, 2012 at 2:20am.

- Math -
**Bosnian**, Sunday, November 18, 2012 at 2:46amS = Numbers of students

Percent of boys.

100 % - 55 % = 45 % = 45 / 100

45 % S = 18

45 S / 100 = 18 Multiply both sides by 100

45 S = 18 * 100

45 S = 1800 Divide both sides by 45

S = 1800 / 45 = 40

**Answer this Question**

**Related Questions**

MATHS - Two different schools (A and B) have the same number of pupils. The ...

math - 3/4 of the students in a school were girls and the rest were boys. 2/3 of...

math - the current ratio of boys to girls at a certain school is 2 to 5 . if 12 ...

Math - For every girl taking classes at the martial arts school, there are 3 ...

English - 1. I'm in the third year of middle school. 2. I'm in the third year in...

Maths - There were some boys and girls in the school hall at first. 40% of the ...

statistics - A school adjustment inventory is administered to boys and girls of ...

Math - Nicole drew a circle on the chalkboard that had a radius of 15 cm. Which ...

Statistics - The variance of the mathematical scores of a sample of 21 high ...

maths - fractions -in a school,3/5 of the students are girls, number of boys in...