Basic Math Examples

$78$ , $126$ , $345 - 48$ , $972$ , $103$

Step 1

Subtract $48$ from $345$ .

$78, 126, 297, 972, 103$

Step 2

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

$\frac{78 + 126 + 297 + 972 + 103}{5}$

Step 3

Simplify the numerator.

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Step 3.1

Add $78$ and $126$ .

$\frac{204 + 297 + 972 + 103}{5}$

Step 3.2

Add $204$ and $297$ .

$\frac{501 + 972 + 103}{5}$

Step 3.3

Add $501$ and $972$ .

$\frac{1473 + 103}{5}$

Step 3.4

Add $1473$ and $103$ .

$\frac{1576}{5}$

Step 4

Divide.

$315.2$