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1 vote
The mean of five numbers is 10. four of the numbers are 4, 6 , 7 and 13. What is the fifth number?

User Stundji
by
4.3k points

2 Answers

3 votes

Answer:

Explanation:

mean=10

mean=
(a+b+c+d+e)/(5)

∴10=
(4+6+7+13+e)/(5)

∴50=30+e

∴e=50-30

∴e=20

∴the fifth number is 20

User Justbeez
by
4.3k points
6 votes
The answer is twenty
User Drs
by
4.2k points