Question
During one quiz, points were awarded for questions answered as shown.

  Points per question
Correct 7
Wrong - 3 
Missed - 1

The ratio of the questions correctly to questions answered wrongly to questions that were missed out was 8 : 3 : 1. If Winnie was awarded 276 points, how many questions are there in all?
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During one quiz, points were awarded for questions answered as shown.

  Points per question
Correct 7
Wrong - 3 
Missed - 1

The ratio of the questions correctly to questions answered wrongly to questions that were missed out was 8 : 3 : 1. If Winnie was awarded 276 points, how many questions are there in all?