From 17a1b04c4f95b4b5e5097e7886fabca090b5a5fb Mon Sep 17 00:00:00 2001
From: koronya <koronya@hanmail.net>
Date: Sun, 15 Jun 2025 20:52:59 +0900
Subject: [PATCH] [JS][7kyu] Calculate Julie's Age

---
 codewars/7kyu/calculate-julie-s-age/koronya.js | 11 +++++++++++
 1 file changed, 11 insertions(+)
 create mode 100644 codewars/7kyu/calculate-julie-s-age/koronya.js

diff --git a/codewars/7kyu/calculate-julie-s-age/koronya.js b/codewars/7kyu/calculate-julie-s-age/koronya.js
new file mode 100644
index 000000000..cc3fa83fb
--- /dev/null
+++ b/codewars/7kyu/calculate-julie-s-age/koronya.js
@@ -0,0 +1,11 @@
+// [JS][7kyu] Calculate Julie's Age
+// calculate-julie-s-age
+// https://www.codewars.com/kata/558445a88826e1376b000011/train/javascript
+
+const age = (x, y) => {
+  const brother = x / (y - 1)
+  return brother * y
+}
+
+age(6, 3) === 9
+age(-15, 0.25) === 5