Algebra-1

Question Analysis
This question tests the student's ability to set up and solve an equation based on a word problem. The key is to translate the given information into a mathematical equation and then solve it.

Key Concept Explanation
The problem involves setting up an equation based on the relationship between the number of apples and oranges. The total number of fruits is given, and the relationship between the quantities is provided.

Step-by-step Solution
1. Let be the number of oranges.
2. The number of apples is twice the number of oranges, so the number of apples is .
3. The total number of apples and oranges is 150, so the equation is .
4. Simplify the equation:

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