Practice Yards To Feet

MarkFL

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#2
\(\displaystyle x\text{ yd}=x\text{ yd}\cdot\frac{3\text{ ft}}{1\text{ yd}}=3x\text{ ft}\)

Hence:

\(\displaystyle 400\text{ yd}=3(400)\text{ ft}=1200\text{ ft}\)
 

MarkFL

La Villa Strangiato
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#4
In problems like this, it's kind of trivial, but when you're doing physics problems it becomes a highly useful technique for converting units that include many fundamental units, making it easier to get everything correct, and not get mired down.