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Which situation results in a final value of zero?
A the overall change in temperature when the temperature goes from 
-10^(@)F to 
10^(@)F
B the total profit made when a person buys an item for 
$2.25 and then sells the item for 
$2.25
C the overall change in altitude of a hot air balloon after rising 21 kilometers from sea level
D the total distance a person travels when he bikes 3.1 miles to school and then bikes 3.1 miles back home

Which situation results in a final value of zero?\newlineA the overall change in temperature when the temperature goes from \newline10F-10^{\circ}F to \newline10F10^{\circ}F\newlineB the total profit made when a person buys an item for \newline$2.25\$2.25 and then sells the item for \newline$2.25\$2.25\newlineC the overall change in altitude of a hot air balloon after rising 2121 kilometers from sea level\newlineD the total distance a person travels when he bikes 3.13.1 miles to school and then bikes 3.13.1 miles back home

Full solution

Q. Which situation results in a final value of zero?\newlineA the overall change in temperature when the temperature goes from \newline10F-10^{\circ}F to \newline10F10^{\circ}F\newlineB the total profit made when a person buys an item for \newline$2.25\$2.25 and then sells the item for \newline$2.25\$2.25\newlineC the overall change in altitude of a hot air balloon after rising 2121 kilometers from sea level\newlineD the total distance a person travels when he bikes 3.13.1 miles to school and then bikes 3.13.1 miles back home
  1. Calculate Temperature Change: Analyze option A: Calculate the overall change in temperature from 10°F-10\degree F to 10°F10\degree F.\newlineCalculation: 10°F(10°F)=10°F+10°F=20°F10\degree F - (-10\degree F) = 10\degree F + 10\degree F = 20\degree F
  2. Determine Total Profit: Analyze option B: Determine the total profit made when buying and selling an item for $2.25\$2.25. Calculation: Selling price - Buying price = $2.25\$2.25 - $2.25\$2.25 = $0\$0
  3. Calculate Altitude Change: Analyze option C: Calculate the overall change in altitude after a hot air balloon rises 2121 kilometers from sea level and returns.\newlineAssumption: The balloon returns to sea level.\newlineCalculation: Final altitude - Initial altitude = 0km0\,\text{km} - 0km0\,\text{km} = 0km0\,\text{km}
  4. Calculate Total Distance Traveled: Analyze option D: Calculate the total distance traveled when biking to school and back.\newlineCalculation: Distance to school + Distance back home = 3.13.1 miles + 3.13.1 miles = 6.26.2 miles

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