At the bottom of each question for example the first on it has 1 at the top then at the bottom it says 5/3 with a x.So if it does not say 5/3 it can be excluded.So it says<em> </em><em><u>only one 5/3</u></em>.So<em> </em><em><u>one 5/3</u></em> is the exact same as 5/3!