# How do you calculate the number in the middle of 11 and 24?

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8
May 7, 2017

The difference is $24 - 11 = 13$

#### Explanation:

$11 , 12 , 13 , 14 , 15 , 16 , 17 , 18 , 19 , 20 , 21 , 22 , 23 , 24$

There's no real middle number ($17 \mathmr{and} 18$ share the middle), so we take the mean of $11 \mathmr{and} 24 \mathmr{and} 17 \mathmr{and} 18$:

$\frac{11 + 24}{2} = \frac{17 + 18}{2} = 17.5$

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kyle Share
May 9, 2017

17.5

#### Explanation:

add the two numbers together then divide by two

so 11 + 24 = 35

and 35 / 2 = 17.5

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ikps Share
May 9, 2017

17.5

#### Explanation:

You mean median right?

In order to find the median you write all the numbers down
11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Then you cross down all the numbers in the front and in the back until you get to the last one/ones
Then you end up with 17 and 18
And since in order to find the median when you end up with two numbers you add them up then divide, you end up with 17.5
(17+18=35/2=17.5)
Hope this helped! 0w0

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May 9, 2017

$\frac{\left(11 + 24\right)}{2} = \frac{35}{2} = 17 \frac{1}{2} = 17.5$

#### Explanation:

To find a central value, simply average the two values, which means add them together and divide by $2$

$\frac{\left(11 + 24\right)}{2} = \frac{35}{2} = 17 \frac{1}{2} = 17.5$

This has many applications in maths:

• Finding the average between two ages, two tests, etc.
• Finding the midpoint of a line: $M \left(\text{ave of x's","ave of y's}\right)$
• Finding the median of an even number of values.
• Finding the line of symmetry from the $x$ intercepts of a parabola
• Finding a fraction exactly halfway between two given fractions.
• Finding the midpoint of a class interval in statistics.

It is the same concept every time: Average the two values to find the one exactly midway between them.

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May 9, 2017

Therefore, 17.5 is the number in the middle of 11 and 24.

#### Explanation:

You first subtract 11 from 24, so $24 - 11 = 13$.

Next, you divide by 2: $13 \div 2 \text{ = } \frac{13}{2} = 6.5$.

Then, you can add $6.5$ to $11$ or you can subtract $6.5$ from $24$, to get your middle number:

$11 + 6.5 = 17.5 \text{ or } 24 - 6.5 = 17.5$.

Therefore, 17.5 is the number in the middle of $11 \mathmr{and} 24.$

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