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Multiple Choice
Which of the following best describes the process for determining the sales tax and total purchase price of an item?
A
Divide the item's price by the sales tax rate to find the sales tax, then subtract it from the item's price to get the total purchase price.
B
Subtract the sales tax rate from the item's price to find the total purchase price.
C
Add the sales tax rate to the item's price, then multiply by the item's price to get the total purchase price.
D
Multiply the item's price by the sales tax rate to find the sales tax, then add the sales tax to the item's price to get the total purchase price.
Verified step by step guidance
1
Step 1: Understand the concept of sales tax. Sales tax is a percentage of the item's price that is added to the price to determine the total purchase price.
Step 2: To calculate the sales tax, multiply the item's price by the sales tax rate. For example, if the item's price is P and the sales tax rate is R, the formula for sales tax is:
Step 3: Once the sales tax is calculated, add it to the item's price to determine the total purchase price. The formula for total purchase price is:
Step 4: Ensure that the sales tax rate is expressed as a decimal when performing the calculation. For example, a 7% sales tax rate should be converted to 0.07 before multiplying.
Step 5: Verify your calculations by checking that the total purchase price is greater than the original item's price, as the sales tax is an additional cost.