WAEC Mathematics 2013 Objective — Question 13
Question 13 of 50 from the West African Examinations Council (WAEC) Mathematics 2013 Objective paper, with the correct answer and a full explanation.
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The sum of 12 and one third of n is 1 more than twice n. Express the statement in the form of an equation.
- A. 12n−6=0
- B. 3n−12=0
- C. 2n−35=0
- D. 5n−33=0Correct
Explanation
12 + n/3 = 2n+1. Multiply by 3: 36+n = 6n+3. 33 = 5n. So 5n−33=0.
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