Answer:
2:11
Step-by-step explanation:
you need to understand the question and then write this.
Answer:
20:11
2cm=20mm
Therefore the amount of white fabric to the amount of coloured fabric used is 20:11 because the highest common factor of 20 and 11 is 1 so the ratio cannot be simplified further.
i think this is what the question meant but if i interpretated it wrongly u can tell me :)