I am x years old and my brother is 3 years older. How old was
MATHEMATICS
WAEC 2007
I am x years old and my brother is 3 years older. How old was my brother last year?
- A. (x - 4)years
- B. (x + 2) years
- C. (3x - 10years
- D. (3x + 1)years
Correct Answer: B. (x + 2) years
Explanation
I am x years old; My brother = 3 + x; My brother
last year = (3 + x) - 1 = x + 3 - 1
= (x + 2) years
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