Ask Question
13 October, 15:34

In a school, the ratio of the number of pupils to the number of teachers is 20:1. If the number of pupils is 840, how many teachers are there?

+1
Answers (1)
  1. 13 October, 15:52
    0
    42

    Step-by-step explanation:

    840 pupils is represented by 20 parts of the ratio.

    Divide number of pupils by 20 to find the value of one part of the ratio.

    840 : 20 = 42 ← value of 1 part of the ratio, thus

    number of teachers = 42
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “In a school, the ratio of the number of pupils to the number of teachers is 20:1. If the number of pupils is 840, how many teachers are ...” in 📗 Mathematics if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers