Round currency closest to five

Question

I\'d like to round my values to the closest of 5 cent for example:

5.31 -> 5.30
5.35 -> 5.35
5.33 -> 5.35
5.38 -> 5.40

Currentl

Answer 1

Turns out..it's really simple

let x: Float = 1.03 //or whatever value, you can also use the Double type
let y = round(x * 20) / 20