200 jobs are available and only 100 people what will have to happen according to the lawsof supply and demand?

Answer 1

the 100 will be better paid

Answer 2

more people will join the labor force...

if you're saying that there's only 100 people in your imaginary world then the jobs will either consolidate or, according to S & D, the firms who can't compete to hire any of the 100 workers then they're going out of business