Answer:
1.5cm : 8mm
Explanation:
The problem asks us to express the amount of white fabric to colored fabric as a ratio. Since it asks to find white fabric to colored fabric, that is the same order we should put it in for our answer.
1.5cm : 8mm
↑ ↑ ↑
(white) (to) (colored)
This is your final answer!
Hope this helps! Let me know if you have any other questions. :)