Given:
[tex]\begin{gathered} T_{he\text{ number of puppies Colby's dog gave birth to}}=6 \\ T_{he\text{ amount of litter of 1 puppy}}=3ki\log rams \end{gathered}[/tex]To Deteermine: About how much is the mass of the litter of puppies in kilograms?
[tex]\begin{gathered} 1puppy=3kg \\ 6_{\text{puppies}}=6\times3kg=18kg \end{gathered}[/tex]Hence, the mass of the litter of puppies in kilograms is 18 kilograms