A package of aluminum foil contains 50 ft^2 of foil, which weighs approximately 9.0 ozAluminum has a density of 2.70 g/cm^3 What is the approximate thickness of the foil in millimeters?i have tried over and over and i cant get this to work please help!!!!
9.0 oz 255.146g 1 ft 30.48cm 1 ft^2 929.0304cm^2 50ft^2 46451.52cm^2 Let the thickness be x cm, Density Mass/Volume 2.7 255.146/(46451.52)x 46451.52x 688.8942 x 688.8942/46451.52 x 0.01483cm x 0.01483(10) mm x 0.148mm (Volume thickness x area)
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