Answer :

Hana scored 74%
......................
Jennnyyy
All we need to do is multiply both of those numbers by 2 
 37   x 2 = 74 
----- 
 50   x 2 = 100

Turning 74/100 into a percent 
= 74% 

So she got a 74% on her test. 
Not bad...

Good Luck! :)

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