A man bought 220 mangoes at N5x. He sold each for 3x kobo and made a gain of N8. Find the value of x

  • A 2
  • B 5
  • C 6
  • D 10
waec 2005mathematics

The correct answer is B. 5

The cost price of the whole mangoes = N5x

The sold amount of the mangoes = 3x * 220 = N6.60x

The gain made on mangoes = N6.60x - N5x = N8.00 => N1.60x = N8 => \(x=\frac{8}{1.60}=\frac{1}{0.2}=\frac{10}{2}=5\)

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