If m = 3, p = -3, q = 7 and r = 5/2, evaluate…

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Mathematics JAMB 2005

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

  • 19.50 checkmark
  • 19.15
  • 18.95
  • 18.05

The correct answer is: A

Explanation

m = 3, p = -3, q = 7 and r = 5/2
m(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
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