Answer:
so the first awnser is 90 and i am verry sorry but i do not know how to do the second one and the third does not have enogh information
Explanation:
1. so first 12 inches is one foot, multiply 12 by 60 to get 720 now because it says that 1 inch is 8 feet and 720 is how manny inches it is so 720 divided by 8 is 90.