Respuesta :

We have to change the oz to lb. So we get that

[tex]\begin{gathered} 5oz=0.3125lb \\ 10oz=0.625lb \end{gathered}[/tex]

so the problem goes as

[tex]9.3125-6.625=2.6875lb[/tex]

and that is

[tex]2lb11oz[/tex]

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