Minh is packing books into boxes. the mass of one of the boxes is 20 kilograms. if the box holds 10 books that each have the same mass, what is the mass of each book in grams?

There are 4 cups in a quart and 4 quarts in a ganon.jug of water? . how many cups are in a 5-gallon jug of water?

Divide. write in the simplest form. 4 1/6 divided by 10

Acollection of coins has value of 64 cents. there are two more nickels than dimes and three times as many pennies as dimes in this collection. how many of each kind of coin are in the collection?