On average, Earth's crust contains about 8.1% aluminum by mass. If a standard 12-ounce softdrinks can contains approximately 15g of aluminum, how many cans could be made from one ton of the Earth's crust?

Answer 1

one metric ton=1000kg=6.66e4 cans (divide 1000kg by .015kg)

Answer 2

multiply bob's result by .081 (Al fraction in crust)

Answer 3

thanks Scott.