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i mean i just dont understand itwhat it wants me to do?

find the biggest number that goes into all 3 of the numbers

80,30, ande 54?

yes

sorry it is 18* 30 and 54 and look at your answer choices. then try it

how do i find the biuggest number that goe sinto all of them?

take each number and divide it by 6, then if all of that works, try 18

\[18=2\times 3^2, 30=2\times 3\times 5,54=2\times 3^3\] greatest common factor is \[2\times 3=6\]

or you could do it that way...

i got
18= 2,3,6,9
30= 2,3,5,6,10
54= 2,27
so is it 2?

@satellite73 is right. for 54 you didnt get all of the factors

i made a mistake the gfc is 6 right?

yes

the answer is b?

yesh

thanks!