Correct Answer:
B. 7
Correct answer: 7. x + y = 5 + 2 = 7.
Background: Substitute the given values and add.
- 9: 9 is not 5 + 2.
- 10: 10 is not 5 + 2.
- 8: 8 is not 5 + 2.
Did you know? 5 + 2 = 7.
Memory trick: Replace and add.
Correct answer: 7. x + y = 5 + 2 = 7.
Background: Substitute the given values and add.
Did you know? 5 + 2 = 7.
Memory trick: Replace and add.