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Jane is going to walk once around the edge of a rectangular park. The park is 200200 yards long and 300300 feet wide. How far will Jane walk?

Full solution

Q. Jane is going to walk once around the edge of a rectangular park. The park is 200200 yards long and 300300 feet wide. How far will Jane walk?
  1. Convert to yards: Convert the width of the park from feet to yards to have consistent units.\newline11 yard =3= 3 feet, so 300300 feet =3003=100= \frac{300}{3} = 100 yards.
  2. Calculate perimeter: Calculate the perimeter of the rectangle.\newlinePerimeter formula for a rectangle is P=2(length+width)P = 2(\text{length} + \text{width}).\newlineHere, length =200= 200 yards and width =100= 100 yards.\newlineP=2(200+100)=2×300=600P = 2(200 + 100) = 2 \times 300 = 600 yards.
  3. Check calculation: Check the calculation for any errors.\newlineRecheck: 2×(200+100)=2×300=6002 \times (200 + 100) = 2 \times 300 = 600. Looks correct.

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