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WAEC Mathematics 2015 Objective — Question 43

Question 43 of 50 from the West African Examinations Council (WAEC) Mathematics 2015 Objective paper, with the correct answer and a full explanation.

Find the value of p if (1/4)p+3q=10 and 2p−(1/3)q=7

A. 4Correct
B. 3
C. -3
D. -4

Explanation

Solving simultaneously: from the equations, eliminating q gives p=4.

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