Pre-Algebra Examples

$7 yd$

Step 1

Convert $yd$ to $ft$ .

$7 yd \times \frac{3 ft}{1 yd}$

Step 2

Cancel the common units and simplify.

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Step 2.1

Cross cancel units.

$\frac{7 yd}{1} \times \frac{3 ft}{1 yd}$

Step 2.2

Simplify the expression.

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Step 2.2.1

Remove the canceled units.

$\frac{7}{1} \times \frac{3 ft}{1}$

Step 2.2.2

Combine fractions.

$21 ft$

$21 ft$

$21 ft$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$