3. A city wants to put a fence around a rectangular children's park. The park is \( 32 \frac{1}{6} \) yards by \( 10 \frac{1}{3} \) yards. How much fencing does the city need?
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To find the total amount of fencing needed, you'll need to calculate the perimeter of the rectangular park. The formula for the perimeter \( P \) of a rectangle is \( P = 2 \times (length + width) \). First, convert the mixed numbers to improper fractions: Length: \( 32 \frac{1}{6} = \frac{193}{6} \) Width: \( 10 \frac{1}{3} = \frac{31}{3} \) Now, find a common denominator to add the two fractions: The common denominator of 6 and 3 is 6. Convert the width: \( \frac{31}{3} \) becomes \( \frac{62}{6} \) Now add the two: \( \frac{193}{6} + \frac{62}{6} = \frac{255}{6} \) Then, multiply by 2 to get the perimeter: \( P = 2 \times \frac{255}{6} = \frac{510}{6} = 85 \) yards. So, the city needs 85 yards of fencing.