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MATH / Recently, Frank took a one-hundred question aptitude test where each correct…

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problem

Recently, Frank took a one-hundred question aptitude test where each correct answer scored 55 points, each incorrect answer scored −2-2 points, and each question not answered scored zero points. Frank answered 8080 questions and scored 232232 points. How many questions did he answer correctly?
Plain-text mathematical notation (without MathML)
Recently, Frank took a one-hundred question aptitude test where each correct answer scored 5 points, each incorrect answer scored −2 points, and each question not answered scored zero points. Frank answered 80 questions and scored 232 points. How many questions did he answer correctly?
Original LaTeX notation
Recently, Frank took a one-hundred question aptitude test where each correct answer scored $5$ points, each incorrect answer scored $-2$ points, and each question not answered scored zero points. Frank answered $80$ questions and scored $232$ points. How many questions did he answer correctly?

level

Level 3

type

Algebra

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