Question

comparing total costs of items purchased in different cities a group of students is using a spreadsheet to compare the total costs of purchasing various items in two cities with different tax rates. city a has a sales tax rate of 7%, while city b has a sales tax rate of 5%. the students want to see how the sales tax affects the final price of goods. they have the following items and prices: chart with columns item, base price ($), city a tax rate (%), city a final price ($), city b tax rate (%), city b final price ($) and rows for laptop, smartphone, tablet, headphones, smartwatch with respective values what is the total final price if a student buys the laptop in city a and the headphones in city b, compared to buying the laptop in city b and the headphones in city a? options: $1,280 and $1,264; $1,284 and $1,260; $1,300 and $1,275

Explanation:

Step1: Find City A laptop final price

From the table, City A Final Price for Laptop is missing. Calculate it:
$\text{City A Laptop Final Price} = 1000 \times (1 + 0.07) = 1070$

Step2: Get City B headphones final price

From the table, City B Final Price for Headphones is $210$ (calculated as $200 \times (1+0.05)=210$)

Step3: Calculate first total cost

Sum laptop (City A) + headphones (City B):
$1070 + 210 = 1280$

Step4: Get City B laptop final price

From the table, City B Final Price for Laptop is $1050$

Step5: Get City A headphones final price

From the table, City A Final Price for Headphones is $214$

Step6: Calculate second total cost

Sum laptop (City B) + headphones (City A):
$1050 + 214 = 1264$

Answer:

$1,280 and $1,264