Variable question

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If $correct_answer has a value of 3 what is the correct syntax needed to use echo to display the value of $trivia_answer_3?

I know this is incorrect, but along the lines of what I am wanting to do:

echo $trivia_answer_$correct_answer;

$trivia_answer_1 = “1,000”;
$trivia_answer_2 = “1,250”;
$trivia_answer_3 = “2,500”;
$trivia_answer_4 = “5,000”;

Ron




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