Pre-Algebra Examples

 $\begin{array}{r} h = & 4 x \\ l = & 5 x \\ w = & 3 x \end{array}$

Step 1

The volume of a box is equal to the length $l$ times the width $w$ times the height $h$ .

$(l e n g t h) \cdot (w i d t h) \cdot (h e i g h t)$

Step 2

Substitute the values of the length $l = 5$ , the width $w = 3$ , and the height $h = 4$ into the formula.

$5 \cdot 3 \cdot 4$

Step 3

Multiply $5 \cdot 3 \cdot 4$ .

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Step 3.1

Multiply $5$ by $3$ .

$15 \cdot 4$

Step 3.2

Multiply $15$ by $4$ .

$60$

$60 x^{3}$