instruction:
In this task, you need to provide the correct option for a given problem from the provided options.
question:
Problem: a container holding 12 ounces of a solution that is 1 part alcohol to 2 parts water is added to a container holding 9 ounces of a solution that is 1 part alcohol to 2 parts water . what is the ratio of alcohol to water in the resulting solution ? 
Options: a ) 1 : 2 , b ) 3 : 7 , c ) 3 : 5 , d ) 4 : 7 , e ) 7 : 3
answer:
a


question:
Problem: a dog have birth to 12 puppies , 2 female and 10 male . what is the ratio of the female puppies to the male ? 
Options: a ) 1 / 5 , b ) 1 / 6 , c ) 1 / 10 , d ) 2 / 12 , e ) 1 / 8
answer:
a


question:
Problem: how many odd factors does 160 have ? 
Options: a ) 2 , b ) 4 , c ) 5 , d ) 6 , e ) 8
answer:

a