WAEC Mathematics 2022 Question 7

Question 7

Commercial Arithmetic

A weaver bought a bundle of grass for $50.00 from which he made 8 mats. If each mat was sold for $15.00, find the percentage profit.

  1. A.240%
  2. B.140%
  3. C.120%
  4. D.40%
Show the answer and explanation

Answer: B (140%)

Explanation

He sold the mats for 8 × $15 = $120, a profit of $70 on $50. 70/50 × 100 = 140%.