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Verified answer
2/7 = 18 kgBB ardi = 7/7 : 2/7 x 18
=7/7 x 7/2 x 18
=49/14 x 18
=7/2 x 18
= 7 x 9
= 63 kg
5/9 BB = 5/9 x 63
=35 kg
cara lain :
5/9 : 2/7 x 18 = 5/9 x 7/2 x 18
=35/18 x 18
= 35 kg
catt;bagian dicari / bagian diketahui x bagian diketahui
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