N140,000 is shared between ABU, Kayode and Uche. Abu has twice as much as Kayode, and Kayode has twice as much as Uche. What is Kayode's share?

  • A N80,000
  • B N40,000
  • C N20,000
  • D N10,000
waec 2007mathematics

The correct answer is B. N40,000

\(Abu = 2x\\

Kayode = x\\

Uche = \frac{x}{2}\\

2x+x+\frac{x}{2}=140,000\\

\frac{7x}{2}=140,000\\

7x = 280,000\\

x=\frac{280,000}{7}\\

x=40,000\)Kayode receives N40,000

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