Question: 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
Correct answer: B
Grade: 7 | Topic: Number System | Difficulty: Medium | Standard: 7.NS.A.1a