---
id: 5900f37d1000cf542c50fe90
challengeType: 5
title: 'Problem 17: Number letter counts'
videoUrl: ''
localeTitle: ''
---

## Description
undefined

## Instructions
undefined

## Tests
<section id='tests'>

```yml
tests:
  - text: ''
    testString: 'assert.strictEqual(numberLetterCounts(5), 19, "<code>numberLetterCounts(5)</code> should return 19.");'
  - text: ''
    testString: 'assert.strictEqual(numberLetterCounts(150), 1903, "<code>numberLetterCounts(150)</code> should return 1903.");'
  - text: ''
    testString: 'assert.strictEqual(numberLetterCounts(1000), 21124, "<code>numberLetterCounts(1000)</code> should return 21124.");'

```

</section>

## Challenge Seed
<section id='challengeSeed'>

<div id='js-seed'>

```js
function numberLetterCounts(limit) {
  // Good luck!
  return true;
}

numberLetterCounts(5);

```

</div>



</section>

## Solution
<section id='solution'>

```js
// solution required
```
</section>