Question

Kitchen flooring is sold at £8 per 1 metre length what is the cost for 80cm

Answer 1

it would cost 6.4
sorry I do not know how to put up that money sign

Answer 2

In this situation, I'd use a proportion: $\frac{8}{100}=\frac{x}{80}$

Multiply diagonally: $100x=640$

Divide by 100 on both sides: $x=6.4$

Therefore, 80cm of kitchen flooring would cost £6.40.