Round to next number
Level: Beginner (score: 2)
Write a function that accepts a number and a multiple, then rounds the number towards the next multiple.
Examples:
| Number | Multiple | Output |
| 0 | 5 | 0 |
| 2 | 5 | 5 |
| 5 | 5 | 5 |
| 42 | 5 | 45 |
| -6 | -10 | -10 |
| -6 | -10 | -10 |
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Imagine this on a number line.
* Number: 0 Multiple: 5
| -3 | -2 | -1 | 0 | 1 | 2 | 3 | 4 | 5 |
| 0 | ||||||||
| 0 |
Since zero is a multiple of five the answer is 0.
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* Number: 2 Multiple: 5
| -5 | -4 | -3 | -2 | -1 | 0 | 1 | 2 | 3 | 4 | 5 |
| 2 | ||||||||||
| => | 5 |
The next multiple of five from two is 5.
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* Number: -6 Multiple: -10
| -10 | -9 | -8 | -7 | -6 | -5 | -4 | -3 | -2 | -1 |
| -6 | |||||||||
| -10 | <= |
The next multiple of negative 10 from negative six is -10.