A headmaster contributes 7% of his income into a fund and his wife contributes 4% of her income. If the husband earns N5,500 per annum (p.a) and the wife earns N4,000 (P.a), find the sum of their annual contribution to the fund

  • A N1045
  • B N605
  • C N545
  • D N490
  • E N440
waec 1991mathematics

The correct answer is C. N545

Husband contributions = \(\frac{7}{100}\) x N5,500 = N385

Wife contribution = \(\frac{4}{100}\) x N4,000 = N160

Sum of their Annual contribution = N385 + N160 = N545

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