Fixed BMI rounding by replacing Math.round with toFixed(1)

Author: Pretty Taruvinga

Sprint-2/3-mandatory-implement/1-bmi.js

@@ -15,6 +15,6 @@
 // It should return their Body Mass Index to 1 decimal place
 
 function calculateBMI(weight, height) {
-    const bmi = weight / (height * height);
-    return Math.round(bmi * 10) / 10;
-}
+  const bmi = weight / (height * height);
+  return Number(bmi.toFixed(1));
+}