What is the answer to this question can you me solve this

In the final round of trivia competition, contestants were asked to name as many states that begin with the letter m as they could in 15 seconds. the bar graph shows the number of states the contestants were able to name. how many contestants participated in the final round of the competition? a) 6 b) 8 c) 14 d) 20

If you answer right ill give brainliest, : )

Which value would be a solution for x in the inequality 47-4x< 7