Chapter 6.3, Problem 18IP

To determine

Calculate the percent of sales tax.

Answer to Problem 18IP

The percent of sales tax is $5.5\%$ .

Explanation of Solution

Given:

It is given in the question that Roberto buy a jacket that costs $\$96$ and the total cost including the tax are $\$101.28$ .

Concept Used:

In this, use the concept of percent equation and the equation is $Part=Percent\cdot Whole$ .

Calculation: Since, the tax will be $101.28-96=5.28$

In this, the part and the whole are given, looking for a part. Let p represent part.

  $\begin{array}{l}Part=Percent\cdot Whole\\ 5.28=p\cdot 96\\ p=\frac{5.28}{96}\\ p=0.055=5.5\%\end{array}$

Conclusion:

The percent is $5.5\%$ .