Question

Hello I need some assistance with this performance task any help would be great

Answer 1

Case: Best price between two stores Best buy and Black Friday deal in PC Richard and Son

Given: Original Price of Item is $179.99

Best buy discount is 20%

PC Richard and Son gives 10% off plus $20

Required: To find the final price of the item at both stores and select the cheapest

Method:

For Best Buy

Step 1: Calculate discount on original price

`\begin{gathered} 20\%\text{ of 179.99} \\ (20)/(100)*179.99 \\ 35.998 \end{gathered}`

Step 2: The final price at Best buy

`\begin{gathered} 179.99\text{ - 35.998} \\ =\text{ 143.992} \end{gathered}`

For PC Richard and Son

Step 1: Calculate all discounts

10% of $179.99 + $20

`\begin{gathered} (10)/(100)*179.99\text{ + 20} \\ 17.999\text{ + 20} \\ 37.999 \end{gathered}`

Step 2: The final price at For PC Richard and Son

`\begin{gathered} 179.99\text{ - 37.999} \\ =\text{ 141.991} \end{gathered}`

Final answer:

The final price price at Best Buy is $144

The final price at PC Richard and Son is $141.99