SOLUTION: In the year 1981 there were 13 students per teacher in our universities. In ten years the number of students had increased 37.3% and the number of teachers 20.6%. How many studen

Question 421277: In the year 1981 there were 13 students per teacher in our universities. In ten
years the number of students had increased 37.3% and the number of teachers 20.6%.
How many students were there per teacher in the year 1991?
ITRIED THIS AND FOUND (13*1.373)/1.206 = 15 student per teacher ?
Found 2 solutions by josmiceli, sudhanshu_kmr:
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = number of students in 1981
Let = number of teachers in 1981
---------
given:

In 1991:

15/1 student/teacher ratio
right you are!
Answer by sudhanshu_kmr(1152) (Show Source): You can put this solution on YOUR website!

yes, it is right.

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