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The sales tax for an item was $37.80 and the cost $420 before tax find a sales tax rate rate your answer as a percentage

The Sales Tax For An Item Was 3780 And The Cost 420 Before Tax Find A Sales Tax Rate Rate Your Answer As A Percentage class=

Sagot :

Step 1

State the for the sales tax rate

[tex]\frac{sales\text{ tax}}{cost\text{ of item before tax}}[/tex]

where

[tex]\begin{gathered} \text{sales tax=\$37.80} \\ \cos t\text{ of the item before tax=\$420} \end{gathered}[/tex]

Step 2

Get the sales tax rate in percentage by substitution

[tex]\begin{gathered} =\frac{37.80}{420}=0.09 \\ \text{Convert to percentage} \end{gathered}[/tex][tex]\begin{gathered} 0.09\times100=9^{}\text{\%} \\ \end{gathered}[/tex]