A rectangular park must have area and perimeter

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

Problem

A rectangular park must have area

400\,\text{m}^2

and perimeter

80\,\text{m}

. When an equation is formed for its breadth

x

(in metres), how many distinct positive real solutions will the equation possess? (a)

2

(b)

0

(c)

1

(d)

3

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