Question

1. computers andrea ordered a computer on the internet. the computer cost $1,399 plus 6\frac{1}{2}\\% sales tax. what was the total amount andrea paid for her computer?

Explanation:

Step1: Convert the percentage to a decimal

$6\frac{1}{2}\%=\frac{13}{2}\div100 = 0.065$

Step2: Calculate the sales - tax amount

The sales - tax amount is the cost of the computer times the sales - tax rate. So, the sales - tax amount $=1399\times0.065 = 90.935$.

Step3: Calculate the total amount paid

The total amount paid is the cost of the computer plus the sales - tax amount. So, the total amount $=1399 + 90.935=1489.935\approx1489.94$.

Answer:

$1489.94$