77 lines
2.3 KiB
Markdown
77 lines
2.3 KiB
Markdown
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---
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id: 56533eb9ac21ba0edf2244b3
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title: Convert Celsius to Fahrenheit
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challengeType: 1
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isRequired: true
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---
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## Description
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<section id='description'>
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The algorithm to convert from Celsius to Fahrenheit is the temperature in Celsius times <code>9/5</code>, plus <code>32</code>.
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You are given a variable <code>celsius</code> representing a temperature in Celsius. Use the variable <code>fahrenheit</code> already defined and assign it the Fahrenheit temperature equivalent to the given Celsius temperature. Use the algorithm mentioned above to help convert the Celsius temperature to Fahrenheit.
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Don't worry too much about the function and return statements as they will be covered in future challenges. For now, only use operators that you have already learned.
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</section>
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## Instructions
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<section id='instructions'>
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</section>
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## Tests
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<section id='tests'>
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```yml
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- text: <code>convertToF(0)</code> should return a number
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testString: 'assert(typeof convertToF(0) === "number", "<code>convertToF(0)</code> should return a number");'
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- text: <code>convertToF(-30)</code> should return a value of <code>-22</code>
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testString: 'assert(convertToF(-30) === -22, "<code>convertToF(-30)</code> should return a value of <code>-22</code>");'
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- text: <code>convertToF(-10)</code> should return a value of <code>14</code>
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testString: 'assert(convertToF(-10) === 14, "<code>convertToF(-10)</code> should return a value of <code>14</code>");'
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- text: <code>convertToF(0)</code> should return a value of <code>32</code>
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testString: 'assert(convertToF(0) === 32, "<code>convertToF(0)</code> should return a value of <code>32</code>");'
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- text: <code>convertToF(20)</code> should return a value of <code>68</code>
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testString: 'assert(convertToF(20) === 68, "<code>convertToF(20)</code> should return a value of <code>68</code>");'
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- text: <code>convertToF(30)</code> should return a value of <code>86</code>
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testString: 'assert(convertToF(30) === 86, "<code>convertToF(30)</code> should return a value of <code>86</code>");'
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```
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</section>
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## Challenge Seed
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<section id='challengeSeed'>
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<div id='js-seed'>
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```js
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function convertToF(celsius) {
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let fahrenheit;
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return fahrenheit;
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}
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convertToF(30);
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```
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</div>
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</section>
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## Solution
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<section id='solution'>
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```js
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function convertToF(celsius) {
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let fahrenheit = celsius * 9/5 + 32;
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return fahrenheit;
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}
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convertToF(30);
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```
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</section>
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