Ask Question
21 October, 04:57

Find x if the average of 20, 20, 19, 13, and x is 15

+4
Answers (1)
  1. 21 October, 05:09
    0
    (20+20+19+13+x) / 5=15

    add in parenthesis and multiply 5 to both sides

    (72+x) / 5 [*5]=15 [*5]

    (72+x) = 75

    subtract 72 from both sides

    x=3
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “Find x if the average of 20, 20, 19, 13, and x is 15 ...” 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