Ask Question

The mean of 5 numbers is 50 and the mean of 4 of this numbers is 45. What is the fifth number

+3
Answers (1)
  1. 31 May, 11:18
    0
    the fifth number is 70

    Step-by-step explanation:

    mean (average) of first 5 numbers = 50, Then sum of this 5 numbers = 50*5 = 250.

    The mean of 4 numbers = 45. Sum 4 numbers = 45*4 = 180

    the fifth number is 250-180=70

    (180 + 70) / 5=50 which is the mean
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “The mean of 5 numbers is 50 and the mean of 4 of this numbers is 45. What is the fifth number ...” 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