Respuesta :

60%
40%



The number twenty is double of 10 so think of it as 10 but double the reaction see 10 percent of 20 is .5 but 10% of 10 is one...double .5 hope this helps!
60% for boys & 40% for girl divide 12 by 20 then 8 by 20 because there are 20 students in all

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