(75 points) a roller coaster will only run with a certain number of people on board. the graph below represents the solution of an inequality that tells how many people the roller coaster needs to run.

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which statement tells you how many people the roller coaster needs to run?

a. the roller coaster will only run with fewer than 20 people.

b. the roller coaster will only run with 20 or fewer people.

c. the roller coaster will only run with more than 20 people.

d. the roller coaster will only run with 20 or more people.