- A20
- B11
- C9
- D10
Step-by-Step Solution
Difference = (a + 7) - (a - 3) = a - a + 7 + 3 = 10. The a terms cancel, so the difference is 10 years.
Answer: D) 10
The expression for Anu's age is (a + 7) years and for her cousin is (a - 3) years.
What is the difference between Anu's age and her cousin's age?
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