WAEC 2024 · Paper 1 · Q20

A piece of rod of length 44 m44\text{ m} is cut to form a rectangular shape such that the ratio of the length to the breadth is 7:47 : 4. Find the breadth.

Worked solution (try it first)
  1. The rod makes the whole perimeter, so length + breadth =44÷2=22= 44 \div 2 = 22 m.
  2. Share 22 in the ratio 7:47 : 4, which has 7+4=117 + 4 = 11 parts.
  3. The breadth is 4 parts: 411×22=8\frac{4}{11} \times 22 = 8 m, option A.

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