diff --git a/index.js b/index.js
index 0db6949168..166dae1e51 100644
--- a/index.js
+++ b/index.js
@@ -1 +1,33 @@
-// Code your solution in this file!
+function distanceFromHqInBlocks (blockNumber) {
+  if (blockNumber > 42) {
+    return blockNumber - 42;
+  } else {
+    return 42 - blockNumber;
+  }
+}
+
+function distanceFromHqInFeet (blockNumber) {
+    return distanceFromHqInBlocks(blockNumber) * 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 <= 2000) {
+    return (distance - 400) * .02;
+  } else if (distance <= 2500) {
+    return 25;
+  } else {
+    return 'cannot travel that far';
+  }
+ }