Paragraph

On a business retreat, your company of 20 executives go golfing.

  1. You need to divide up into foursomes (groups of 4 people): a first foursome, a second foursome, and so on. How many ways can you do this?

  2. After all your hard work, you realize that in fact, you want each foursome to include one of the five Board members. How many ways can you do this?

in-context