Problema Solution
The percentage score on a test varies directly as the number of correct responses. Jane answered 21 questions correctly and earned a 70%. What would Jane's percentage score have been if she had answered 24 questions correctly?
Answer provided by our tutors
Let x represent the percentage score if Jane had answered 24 questions correctly
21 : 70 = 24 : x
........
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x = 80%
Jane's percentage score if she had answered 24 questions correctly is 80%.