A$78.00 pair of shoes cost $84.63 after tax is added. what percentage of the cost is tax?

The percent of the cost tax is:

                                8.5%

Step-by-step explanation:

Cost of shoe before tax= $ 78

Cost of shoe after tax= $ 84.63

This means that the cost of tax is:

Cost of shoe after tax-cost of shoe before tax

= $ 84.63-$ 78

= $ 6.63

Now, the percent of tax is calculated as:

                     Hence, the percent tax is:

                              8.5%

step-by-step explanation:

6.48/4 4 goes into 6.48 1.62 times