I am pretty sure your answer are correct , from what I know. Good job!
Answer: 1/12
1/4 divided by 3/1
KCF:Keep the first fraction, Change the sign to muplication, Flip the second fraction.
1/4* 31
1*1=1
4*3=12
1/12
sunlimation is when a solid goes to a gas thats all i can awnser i havent got that far in chemistry yet.
