4). A car has wheels with a radius of 10 inches. How many complete revolutions (turns) will a wheel of this car make while the car goes 8 miles? (use pi=3.14).
Conversion factors: 1 mile = 5280 feet, 1 foot = 12 inches.
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5). Find the area of this sidewalk around the park. The sidewalk is 4 feet wide.
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