The perimeter of a rectangular playground exceeds by

MATHEMATICS · Single correct · GCSE · Mathematics · Algebra · Algebra

Problem

The perimeter of a rectangular playground exceeds 100 m100\,\text{m} by 20 m20\,\text{m}. If its area is 900 m2900\,\text{m}^2, what is the length of the playground? (a) 60 m60\,\text{m} (b) 15 m15\,\text{m} (c) 30 m30\,\text{m} (d) 51 m51\,\text{m}

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