how many minutes

Question

In a psychological study it was found that the number of nonsense words a college student can remember varies inversely with the time that has elapsed before the student is asked to recall the nonsense words. A typical student is able to remember 7 nonsense words after 10 minutes. How many minutes must elapse for a typical student to remember only 5 nonsense words? Show work.

Answer 1

n - Number of nonsense words to remember after a certain minutes of time.

 m - number of minutes taken to remember certain none sense number of words.

 

n = k /m

 

7 = k/10

 

k = 70

 

5 = 70/ m

 

  m = 14 minutes