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20% of the girls in class have blonde hair. 16 girls do not have blonde hair. How many total students?

 Jan 22, 2021
 #1
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20 students

 Jan 22, 2021
 #2
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if you need working, here it is

 

100%-20%=80%

 

let's forget the zero for now and do 16/8=2

 

so 10%=2 students

 

20% is double 10% so we need to find what is double of 2. 

 

2*2=4 so 4 girls have blonde hair

 

16+4=20 total students

 Jan 22, 2021
edited by KitSoundwave  Jan 22, 2021

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