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Question
A rectangular carpet measuring 16 m by 12 m (excluding the border) has a border of width 2m on each of its sides. What is the area of the border
300m2
158m2
154m2
128m2
ANSWER : 4
Descrption
<p>Measurements of the carpet with borders are (16 + 2x2) or 20 m and (12 + 2x2) or 16 m.</p> <p>Area of the carpet with borders = 20 x 16 = 320 m<sup>2</sup></p> <p>Area of the carpet without borders = 16 x 12 = 192 m<sup>2</sup></p> <p>So, area of the borders = 320 - 192 = <strong>128 m<sup>2</sup></strong></p>
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