Complete

Author: ashaahmed7

Sprint-1/1-key-exercises/4-random.js

@@ -1,9 +1,33 @@
 const minimum = 1;
 const maximum = 100;
 
-const num = Math.floor(Math.random() * (maximum - minimum + 1)) + minimum;
+const num = Math.floor(Math.random() * (maximum - minimum + 1)) + minimum; // num generates a random whole number between minimum and maximum
 
 // In this exercise, you will need to work out what num represents?
 // Try breaking down the expression and using documentation to explain what it means
 // It will help to think about the order in which expressions are evaluated
 // Try logging the value of num and running the program several times to build an idea of what the program is doing
+
+// Below I will be breaking down the expression: const num = Math.floor(Math.random() * (maximum - minimum + 1)) + minimum;
+
+// First you will need to generate a random decimal number between 0 and 1
+const decimal = Math.random();
+
+// Then calculate the range size
+const range = maximum - minimum + 1;
+
+// Then scale the decimal to the range
+const scaled = decimal * range;
+
+// Then round down to get a whole number
+const floored = Math.floor(scaled);
+
+// Then shift the number up to start at the minimum
+const result = floored + minimum;
+
+// You can log each part to understand the process
+console.log("decimal:", decimal);
+console.log("range:", range);
+console.log("scaled:", scaled);
+console.log("floored:", floored);
+console.log("result:", result);