waecmaths question:
I am x years old and my brother is 3 years older. How old was my brother last year
Option A:
$(x-4)years$
Option B:
$(x+2)years$
Option C:
$(3x-1)years$
Option D:
$(3x+1)years$
waecmaths solution:
My brother age will be (x + 3) years old, his age last year will be(x + 3) – 1 = (x + 2) years
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