Tom will be 25 years old in n years' time. If he is 5 years

MATHEMATICS
WAEC 2015

Tom will be 25 years old in n years' time. If he is 5 years younger than Bade's present age.

  • A. (30 - n)years
  • B. (20 - n)years
  • C. (25 - n)years
  • D. (30 + n)years

Correct Answer: A. (30 - n)years

Explanation

Let Tom's present agr be x.

Then x = 25 - n

If Tom is 5 years younger than Bade, then Bade's present age is x + 5 = 25 - n + 5

= (30 - n)



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