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Unilorin Post-UTME Mathematics 2018 (Model questions) Question 37

Question 37

Commercial Arithmetic

Find the difference in cost per week between employing 20 women at a weekly wage of ₦230.00 and 18 boys at a weekly wage of ₦198.00 each

  1. A.₦36.00
  2. B.₦1,036.00
  3. C.₦136.00
  4. D.₦250
Show the answer and explanation

Answer: B (₦1,036.00)

Explanation

20 × 230 = ₦4,600 and 18 × 198 = ₦3,564; the difference is ₦1,036.