139k views
5 votes
The ratios of teachers:male students :female students is 2:17:18 the total number of students is 665 find the number of teachers

User J Plato
by
3.0k points

2 Answers

4 votes

Answer: 38 teachers.

Explanation:

Let the share ratio be x.

So, quantity of teachers = 2x, quantity of male students = 17x,

quantity of female students = 18x.

17x+18x=665

35x=665

Divide the left and right sides of the equation by 35:

х=19.

2x=2*19

2x=38.

User Samer El Gendy
by
3.6k points
4 votes
2: 35
X 19
38 : 665
38 teachers!
User Dmitry Pavliv
by
3.7k points