Basic Math Examples

$12$ , $500 \cdot 5.5 %$

Step 1

Convert $5.5 %$ to a decimal.

$12, 500 \cdot 0.055$

Step 2

Multiply $500$ by $0.055$ .

$12, 27.5$

Step 3

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

$\frac{12 + 27.5}{2}$

Step 4

Add $12$ and $27.5$ .

$\frac{39.5}{2}$

Step 5

Divide $39.5$ by $2$ .

$19.75$

Step 6

Divide.

$19.75$

Step 7

The mean should be rounded to one more decimal place than the original data. If the original data were mixed, round to one decimal place more than the least precise.

$19.8$