# Question #680ff

##### 1 Answer

Sep 14, 2016

I tried this but please check my maths!

#### Explanation:

I went for a step-by-step approach:

Sep 14, 2016

I tried this but please check my maths!

I went for a step-by-step approach:

313 views
around the world

You can reuse this answer

Creative Commons License

Creative Commons License