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12. In a summer class, 3/5 of the students are boys. Of these boys, are aged 11. What fraction of the entire class are boys who are aged 11?​

Sagot :

Answer:

fraction of girls =

3/5

fraction of boys =

2/5

fraction of girls absent =

3/5×2/9 = 2/15

fraction of boys absent students =

2/5 × 1/5 = 1/10

Total fraction of students absent =

3/15 × 1/10 = 7/30

×

Total fraction of students present =1−

7/30 - 23/30

Answer:

I think theres 5 or 6 boys that are aged 11 of the entire class.

Step-by-step explanation:

i hope i helped u :)