tolong bantu ya,pake cara yaa

Campuran cat yang Doni dapatkan :
[tex] = cat \: merah + cat \: hijau[/tex]
[tex] = 2 \frac{3}{4} + 3 \frac{1}{2} = \frac{11}{4} + \frac{7}{2} = \frac{11 + 14}{4} = \frac{25}{4} = 6 \frac{1}{4} kg[/tex]
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