is this a question or do you want us to draw sketch an actual line
25/10x4=10 boys
100%-40%=60%
25/10x6= 15
boys:girls
10:15
Answer:
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20n-n-11n =16
20n-12n=16
8n=16
n= 16/8
n=2
1/4 or unlickly is your answer