Answer:
[tex]6\frac{1}{4} = 6.25\: pounds[/tex]
Step-by-step explanation:
[tex]the \: difference \: in \: their \: weight \: s \: givn \: by : \\ nancy \: weight - ruby \: weight = 125 \frac{3}{4} - 119 \frac{1}{2} = \\ \frac{503}{4} - \frac{239}{2} = 6\frac{1}{4} = 6.25[/tex]
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