On average, earth’s crust contains about 8.1% aluminum by mass. if a standard 12-ounce soft drink can contains approximately 15 g of aluminum, how many cans could be made from 1 ton of the earth’s crust?

5400 cans

Explanation:

First we convert the total weight, 1 ton, to grams:

Now we need to know the mass of aluminum:

Now we make the relation between the mass of aluminum in 1 ton of the earth's crust and the mass of aluminum per can:

the answer is 1260

you spend 7 hours in school for 1 school day with 5 school days in 1 school week with 36 school weeks in a school year.

7*5*36= 1260 it's all about multiplying