An industrial machine can make four hundred seventy nine crayons a day if each box has 2 crayons how many full packs does it make a day

Ammonia molecules have three hydrogen atoms and one nitrogen atom. how many of each atom arein five molecules of ammonia

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?

Hurrya vegetable garden and a surrounding path are shaped like a square that together are 11ft wide. the path is 2ft wide if one bag of gravel covers 9 square feet how many bags are needed to cover the path