Answer: 96 ways
Explanation: this is a combination.
If the company reps are designated as A, B, C & D.
A can have Handshakes with the rest 3
B can have Handshakes with the rest 2
C can shake hands with D
So 3+2+1=6 multiplied by the total number of reps i.e 16.
So 16x6=96
One of the results of the increase in the older population of the united states is a future problem for the Social Security system.
<h3>What population of the United States is referred to as the older population?</h3>
This is the term that is used to refer to the people in the society that are at the stage and the age of retirement in the nation. These people are of the age 65 and above. The social security system is done in such as way that the people would be able to receive the social security benefits.
Hence we can say that One of the results of the increase in the older population of the united states is a future problem for the Social Security system.
Read more on the social security system here: brainly.com/question/1156607
#SPJ1