diff --git a/codewars/8kyu/get-the-mean-of-an-array/koronya.js b/codewars/8kyu/get-the-mean-of-an-array/koronya.js
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+// [JS][8kyu] Get the mean of an array
+// get-the-mean-of-an-array
+// https://www.codewars.com/kata/563e320cee5dddcf77000158/train/javascript
+
+const getAverage = (marks) => Math.floor(marks.reduce((sum, acc) => sum + acc, 0) / marks.length)
+
+getAverage([2, 2, 2, 2]) === 2
+getAverage([1, 2, 3, 4, 5]) === 3
+getAverage([1, 1, 1, 1, 1, 1, 1, 2]) === 1