HELP PLEASE??? About 13/20 of students ages 10 to 17 name math, science, or art as their favorite subject in school. Art is the favorite subject for about 11/50 of the students ages 10 to 17. for what fractin of students this age is math or schience their favorite subject?

Question

notamathgenius · Answer

10 is half 50% 
So 13 has to be over 50 
and under 100

anonymous · Answer

I think if you use the denominator of 100! Make sense?

notamathgenius · Answer

I am using 100 it makes it easier, 
13 is 65% of 20

anonymous · Answer

Okay ty that is making sense

notamathgenius · Answer

$$\frac{ 13 }{ 20 }\frac{ x }{ 100 }$$

anonymous · Answer

Ty I think I understand how this goes now!!! You're the best