While studying for the engineering economy final exam, you and friends find your
ID: 1093372 • Letter: W
Question
While studying for the engineering economy final exam, you and friends find yourself craving a fresh pizza. You can't spare the time to pick up the pizza and must have it delivered. Pick Up Sticks offers a 1.25 inch thick (including toppings), 15-inch square pizza with your choice of two toppings for 15 dollars plus 5 percent sales tax and a 1.50 dollar delivery charge no sales tax on delivery charge. Fred's offers the round deep dish Sasquatch, which is 24 inches in diameter. It is one and three quarter inches thick, including two toppings, and costs 17.25 dollars plus 5 percent sales tax and free delivery. Assuming that your common unit of measure is cost in dollars/inch cubes, what is the cost per cubic inch of the best alternative. Provide answer in dollars accurate to the nearest cent e.g. .09Explanation / Answer
Pick Up Sticks Pizza
Shape square with side =15 inch and thickness = 1.25 inch
Volume = 15*15*1.25 = 281.25 in3
Cost = 15(1+0.05) +1.5 = 17.25$
Cost/ cubic inch = Cost/Volume = 0.06 $/in3
Fred's Pizza
Shape circlular with radius = 12 inch, thickness =1.75 inch
Volume = pi*12*12*1.75 = 791.68 in3
Cost = 17.25(1+0.05) + 0= 18.1125$
Cost/ cubic inch = Cost/Volume = 18.1125/791.68 = 0.02$/in3
So, clearly Fred's Pizza is cheap alternative
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