Question 1197552
A circular walk has an outside radius of 25-ft and an inside radius of 20-ft. Compute the cost of constructing the walk if the labor and materials are estimated at a cost of $1.50 per sq. ft. Round your answer to the nearest whole dollar. 
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Find the area of the larger circle, subtract the area of the inner circle (in sq feet).
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Multiply by $1.50