CDs are packaged up in boxes of 84. Every 24 boxes are loaded on to 1 crate. How many crates would be needed if you had 280000 CDs to pack?

Each crate contains 84 x 24 = 2016 cds

So 280000 / 2016 = 138.88 crates...but since you can't have a decimal number of crates....it would be 139 crates