What is the greatest common factor of 21,24,27

3

Step-by-step explanation:

3 x 7 = 21

3 x 8 = 24

3 x 9 = 27

Hope this helps :)

d. bc = 12 and ef = 16

step-by-step explanation:

we are given that δabc : δdef such that .

also, it is given that

so, from the options, we need that .

a.

b.

c.  

d.

as, we can see that only option d gives the same ratio as i.e. .

hence, the possible lengths are bc = 12 and ef = 16.

answer: for each 3 girls there is 2 boys . 3: 2

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