Basic Math Examples

what are the three terms $2.5$ and $8.5$

Step 1

The mean of a set of numbers is the sum divided by the number of terms.

$\frac{2.5 + 8.5}{2}$

Step 2

Add $2.5$ and $8.5$ .

$\frac{11}{2}$

Step 3

Cancel the common factor of $11$ and $2$ .

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Step 3.1

Rewrite $11$ as $1 (11)$ .

$\frac{1 (11)}{2}$

Step 3.2

Cancel the common factors.

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Step 3.2.1

Rewrite $2$ as $1 (2)$ .

$\frac{1 \cdot 11}{1 \cdot 2}$

Step 3.2.2

Cancel the common factor.

$\frac{1 \cdot 11}{1 \cdot 2}$

Step 3.2.3

Rewrite the expression.

$\frac{11}{2}$

Step 4

Divide.

$5.5$