Question

You are purchasing $99 headphones with a 5% sales tax. What is the new cost, including the sales tax?

a) $94.05
b) $104.00
c) $99.95
d) $98.50

Answer 1

To find the new cost including the sales tax, convert the 5% sales tax to a decimal, multiply the original cost of the headphones by the sales tax rate to find the amount of the sales tax, and then add the sales tax to the original cost of the headphones.

Step-by-step explanation:

To find the new cost including the sales tax, we need to calculate the amount of the sales tax first. To do this, we convert the 5% sales tax to a decimal by dividing it by 100. %

Then, we multiply the original cost of the headphones by the sales tax rate to find the amount of the sales tax. In this case, $99 * 0.05 = $4.95.

Finally, we add the sales tax to the original cost of the headphones to find the new total cost. In this case, $99 + $4.95 = $103.95. Therefore, the new cost, including the sales tax, is $103.95.