Problema Solution
In a carnival game you earn 5 points for each bull's eye and lose 10 points for each miss. After 30 tries your overall score is -90. How many bull's eyes did you hit?
Answer provided by our tutors
Let 'x' represent the number of bull's eyes hits then '30 - x' is the number of misses.
5x - 10(30 - x) = -90
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click here to see the equation solved for x
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x = 14 hits
You hit 14 bull's eyes.