Basic Math Examples

$29$ , $210 - 4 %$

Step 1

Simplify each term.

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Step 1.1

Convert $4 %$ to a decimal.

$29, 210 - 1 \cdot 0.04$

Step 1.2

Multiply $- 1$ by $0.04$ .

$29, 210 - 0.04$

Step 2

Subtract $0.04$ from $210$ .

$29, 209.96$

Step 3

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

$\frac{29 + 209.96}{2}$

Step 4

Add $29$ and $209.96$ .

$\frac{238.96}{2}$

Step 5

Divide $238.96$ by $2$ .

$119.48$

Step 6

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.

$119.5$