A detergent powder company is having a contest. each pack of 1kg contains one of the letters B,A,M and O. In every 20 packs; there are 4B's,5A's,10M'sand1O. What is the probability that the pack will have B?
In every 20 packs of detergent powder, There are
Hence, the probability that the pack will have B=15.
A fruit company packed 2550 oranges in one carton.If the company has packed 275 cartons, how many oranges are packed in all?