The ratio of the number of correct answers (C) to the number of wrong answers (W) is 3:1. Assuming there were 100 questions and the ratio stayed the same, Ray would've answered 75 questions.
<h3>How to determine the ratio?</h3>
First of all, we would calculate the number of wrong answers that were provided by Ray as follows:
Wrong answers = Total questions - Correct answers
Wrong answers = 40 - 30
Wrong answers = 10.
Therefore, the ratio of the number of correct answers (C) to the number of wrong answers (W) is given by:
C:W = 30:10
C:W = 3:1.
Also, the ratio of the number of correct answers (C) to the total answers (T) is given by:
W:T = 30:40
W:T = 3:4.
Assuming there were 100 questions and the ratio stayed the same, Ray would've answered:
Answer = 3/4 × 100
Answer = 75 questions.
Read more on ratio here: brainly.com/question/13513438
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