diff --git a/index.js b/index.js
index 0db6949168..69565a7c9c 100644
--- a/index.js
+++ b/index.js
@@ -1 +1,32 @@
-// Code your solution in this file!
+function distanceFromHqInBlocks(street) {
+    if (street >= 42) {
+        return street - 42;
+    } else {
+        return 42 - street;
+    }
+}
+
+function distanceFromHqInFeet(street) {
+    return distanceFromHqInBlocks(street) * 264;
+}
+
+function distanceTravelledInFeet(start, destination) {
+    if (start >= destination) {
+        return (start - destination) * 264;
+    } else {
+        return (destination - start) * 264;
+    }
+}
+
+function calculatesFarePrice(start, destination) {
+    const distance = distanceTravelledInFeet(start, destination);
+    if (distance <= 400) {
+        return 0;
+    } else if (distance > 400 && distance <= 2000) {
+        return (distance - 400) * 0.02;
+    } else if (distance > 2000 && distance < 2500) {
+        return 25;
+    } else {
+        return 'cannot travel that far';
+    }
+}
\ No newline at end of file