Answer:
1:40
Explanation:
white - 1.2 coloured - 48
= 1.2 : 48 to put this in its simplest form you...
*make them both whole numbers... Divide both by 10
=12 : 480 now find highest common factor, which is 12
12 divide by 12 = 1
48 divide by 12 = 10
= 1 : 40