Sophia is buying her first car. She wants a Volkswagon Jetta. It costs $21,345 plus $2,500 for upgrades like floor mats and a sunroof. The Georgia sales tax on the car will be 7%. What will be the total of her loan with upgrades including sales tax? Round to the nearest whole number.

B. How do you know find 7% of your total in part A? Show your proportion and work. Explain your process.
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B. In order to find 7% of the total amount from part A, you would multiply the total amount by 7% written in decimal form (0.07). So, the equation would be: total amount x 0.07 = sales tax amount.

To find 7% of the total amount calculated in part A, you can use a proportion. A proportion is a way to relate two ratios or percentages. In this case, you would multiply the total amount by 7% in decimal form (0.07) to find the sales tax amount. By doing this, you can ensure that you are accurately calculating the 7% sales tax on Sophia's car purchase with the upgrades.

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