I am x years old and my brother is 3 years olde... - WAEC Mathematics 2007 Question
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 option: b
I am x years old; My brother = 3 + x; My brother
last year = (3 + x) - 1 = x + 3 - 1
= (x + 2) years
last year = (3 + x) - 1 = x + 3 - 1
= (x + 2) years
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