Maths help

Test Preparation SAT Preparation
1

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2

<p>here’s how you do it.</p>

<p>area= 4000
so, xy=4000
or, x=4000/y</p>

<p>then,
total rope needed= 4x + y = 4*4000/y + y = 16000/y +y</p>

<p>so the answer is B</p>

3

<p>thanks a lot man</p>