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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

I’m stuck on this equation, anyone got the answer?

The holiday party will cost $160 if 8 people attend.if there are 40 people who attend the party, how much will the holiday party cost