Register
The mean of five numbers is 10. four of the numbers are 4, 6 , 7 and 13. What is the fifth number?
64.2k views
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
4.8k 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
4.9k points
6 votes
The answer is twenty
User Drs
by
4.6k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

5.3m questions

6.9m answers

Other Questions

Pizza planet is running a special 3 pizzas for 16.50. What is the unit rate for one pizza
What number is halfway between 0 and 18
If the 9-inch wheel of cheese costs $18.60, what is the cost per square inch? If the cost is less than a dollar, put a zero to the left of the decimal point?
how long Will it take for $7000 investment to grow to $7553 and the annual rate of 3.4% compounded quarterly assume that no withdrawals are made
I need to simplify this expression.
Link Copied!