A county park consists of 2-hectare of developed area including a parking lot and an office building, while the rest of the 11-hectare is preserved natural area. The total estimated number of squirrels in the park is 374. The equation $2a+11b=374$ represents this situation. Which of the following is the best representation of $b$ in this context?
Answer:
D
Explanation
The correct answer is Choice D.
Use the given information and the given equation to interpret what the variable $x$ represents.
Choices A, B, and C are incorrect and may result from misinterpreting the each variables in the equation.
✨ Expert's Tip ✨
Only terms with the unit that is the same type of measurement can be added or subtracted. For example, one cannot add length with weight, nor time with number of apples. Therefore, if two terms can be added or subtracted, they must have the same unit.