Briefly

Sausages and rolls

Sausages and rolls

Normally, sausages come in packages of 5 while bagels are sold in packages of 6.

How many packages of each do we need so that we don't have any sausages or rolls?

Solution

We need a multiple number of 5 and 6: 5 * 6 = 30. This means that with 5 packages of rolls and 6 packages of sausages We can make 30 sandwiches and we would not have any sausages or rolls.