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JAMB Mathematics 1980 Question 17

Question 17

Commercial Arithmetic

A man and wife went to buy an article costing ₦400. The woman had 10% of the cost and the man 40% of the remainder. How much did they have altogether?

  1. A.₦216
  2. B.₦200
  3. C.₦184
  4. D.₦144.
  5. E.₦100.
Show the answer and explanation

Answer: C (₦184)

Explanation

The woman had 10% of 400 = ₦40. The remainder is ₦360 and the man had 40% of it = ₦144. Together ₦184.