Saturday

September 20, 2014

September 20, 2014

Posted by **alya** on Thursday, October 13, 2011 at 10:23am.

- PROBLEM SOLVING IN MATHEMATICS -
**drwls**, Thursday, October 13, 2011 at 10:41amLet x be the number of students and y be the number of teachers. You want to know y/x.

The sum of the products of people and there ages can be written as

(x + y)*20 or 15 x + 35 y.

Therefore

(x + y)*20 = 15 x + 35 y

5x = 15 y.

y/x = 1/3 is the teacher/student ratio.

**Answer this Question**

**Related Questions**

statistics - The average age of evening students at a local college has been 21...

statistics - The average age of statistics students nationwide is 22. The ...

mathematics - the average age of a family of six is 25 years.The average age of ...

health 4 sue - What is premature death? A. Dying at the average age of death for...

health - What is premature death? A. Dying before one’s self-projected age of ...

math - Find the age, to the nearest month, of the people in your class. Use the ...

precalculus - The average age of a groom in a wedding for the given age of the ...

statistics - The average age for licensed drivers in a county is µ= 42.6, σ...

4 - What is premature death? A. Dying at the average age of death for a specific...

Math - To a class of 28 pupils, 12 new pupils whose average age is 10 months ...