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MATHEMATICS

JAMB 2005 - Question 12

Mathematics 2005 JAMB Past Questions - Question 12: If m = 3, p = -3, q = 7 and r = 5/2, evaluate m(p+q+r)

If m = 3, p = -3, q = 7 and r = 5/2, evaluate m(p+q+r)

A: 19.50

B: 19.15

C: 18.95

D: 18.05

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Correct Answer

Explanation

m = 3, p = -3, q = 7 and r = 5/2m(p+q+r) = 3(-3 + 7 + 5/2)= 3(4 + 5/2)= 3(4 + 21/2)= 3 * 61/2= 3 * 13/2= 39/2= 19.50