Question

find the sales tax. then find the total cost of the item.

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$$\begin{tabular}{|c|c|c|} \\hline \\multicolumn{3}{|c|}{sales tax} \\\\ \\hline selling price & rate of sales tax & sales tax \\\\ \\hline \\$90.00 & 3\\% & ? \\\\ \\hline \\end{tabular}$$

the sales tax is \\$ 2.70.

the total cost is \\$ \quad.

Explanation:

Calculate the sales tax

$$ \text{Sales Tax} = \$90.00 \times 3\% = 90.00 \times 0.03 = 2.70 $$

Calculate the total cost

$$ \text{Total Cost} = \text{Selling Price} + \text{Sales Tax} = \$90.00 + \$2.70 = 92.70 $$

Answer:

Find the sales tax. Then find the total cost of the item.

The sales tax is $ <blank>2.70</blank>.

The total cost is $ <blank>92.70</blank>.