Answer:
1:4
Step-by-step explanation:
If 8/10 prefer Crest, that means 2/10 don't prefer it.
To find the ratio, put together the number that don't prefer it to the number that does:
2:8
Simplify by dividing each side by 2:
1:4
So, the ratio is 1:4
given ,
a circle of radius 12 inches
and 
= 45°
now we know that ,
let's now plug in the values of radius and theta as 12 inches and 45° respectively ,
hope helpful :D
One easy way to understand it,is to turn the whole number into a fraction
1/6 because the first number that you roll doesn't matter so it depends on the 2nd roll, in which the probability of rolling a specific number is 1/6
