Question

All of the following are equivalent except: 5 is to 3; 45/27; 15/5; 7.5:4.5

Answer 1

it is 15/5

Explanation

all of the answers except 15/5 you can divide by one number, 5 is to 3 is like 45 divided by 9 and 3 is like 27 divided by 9. Plus 15/5 is a Improper fraction so that is obviously the right answer.