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posted by Anonymous on Wednesday, April 24, 2013 at 12:33pm.
A 7-inch apple pie sells for $4. What is its cost per square inch (in Sq.?
A = pi * r^2 A = 3.14 * 3.5^2 A = 38.465 sq. in. 4 / 38.465 = 0.1048 = $0.10 per sq. in.
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