diff --git a/curriculum/challenges/english/10-coding-interview-prep/rosetta-code/count-the-coins.md b/curriculum/challenges/english/10-coding-interview-prep/rosetta-code/count-the-coins.md
index 5d900eb107..3e6bd14d1d 100644
--- a/curriculum/challenges/english/10-coding-interview-prep/rosetta-code/count-the-coins.md
+++ b/curriculum/challenges/english/10-coding-interview-prep/rosetta-code/count-the-coins.md
@@ -30,7 +30,7 @@ There are four types of common coins in [US](https://en.wikipedia.org/wiki/Unite
 
 # --instructions--
 
-Implement a function to determine how many ways there are to make change for a dollar using these common coins (1 dollar = 100 cents)
+Implement a function to determine how many ways there are to make change for a given input, `cents`, that represents an amount of US pennies using these common coins.
 
 # --hints--
 
@@ -40,10 +40,22 @@ Implement a function to determine how many ways there are to make change for a d
 assert(typeof countCoins === 'function');
 ```
 
-`countCoins()` should return 242.
+`countCoins(15)` should return `6`.
 
 ```js
-assert.equal(countCoins(), 242);
+assert.equal(countCoins(15), 6);
+```
+
+`countCoins(85)` shouls return `163`.
+
+```js
+assert.equal(countCoins(85), 163);
+```
+
+`countCoins(100)` should return `242`.
+
+```js
+assert.equal(countCoins(100), 242);
 ```
 
 # --seed--
@@ -51,7 +63,7 @@ assert.equal(countCoins(), 242);
 ## --seed-contents--
 
 ```js
-function countCoins() {
+function countCoins(cents) {
 
   return true;
 }
@@ -60,12 +72,11 @@ function countCoins() {
 # --solutions--
 
 ```js
-function countCoins() {
-  let t = 100;
+function countCoins(cents) {
   const operands = [1, 5, 10, 25];
-  const targetsLength = t + 1;
+  const targetsLength = cents + 1;
   const operandsLength = operands.length;
-  t = [1];
+  const t = [1];
 
   for (let a = 0; a < operandsLength; a++) {
     for (let b = 1; b < targetsLength; b++) {