For each 110 mm of coloured fabric Peter uses to make his curtains, he also uses 2 cm of white fabric. Express the amount of white fabric to coloured fabric as a ratio in its simplest form.
What you need to do is find the ratio. We can find this ratio by taking 110 and 2 and dividing 110 by 2 which gives us 55 and 1 now all we need to do is make it a ratio…. 55:1