Question

Decrease £1280 byyy 4%

Answer 1

Well, what is 4% of 1280?

let's count: $\frac{1280*4}{100} = \frac{1280}{25}= \frac{256}{5}=51.2$

and we subtract it from the original number:

1280-51.5=1228.8

and that's the answer!