Mathematics: The average of 6 positive numbers is 5. if the average of the least and greatest of these numbers is 7, what is the average of the other 4 numbers?

The average of 6 positive numbers is 5. if the - id652020519, josephnievesr31

Ответ:

ttangelique

01.01.2022

Hello,
Let's asume the numbers are in assending order $n_{1}, n_{2}, n_{3}, n_{4}, n_{5}, n_{6}\\\\

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So
$n_{1}+ n_{2}+ n_{3}+ n_{4}+ n_{5}+ n_{6}=30\\\\
 n_{1}+n_{6}=14\\\\
 n_{1}+ n_{2}+ n_{3}+ n_{4}+ n_{5}+ n_{6}-(n_{1}+n_{6})=30-14\\\\
 n_{2}+ n_{3}+ n_{4}+ n_{5}=16\\\\




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average is 16/4=4

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Ответ:

luv4appleallday

15.01.2022

Mathematics

9 because 5x9 is 45 this is the answer because the 5 is begin times by 9 because the 5 is in parentheses so it is begin multiplied.

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The average of 6 positive numbers is 5. if the average of the least and greatest of these numbers is 7, what is the average of the other 4 numbers?

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