Respuesta :

Answer:

r > -1

Explanations:

Negative eighty times r is less than 80 is expressed mathematically as;

[tex]-80r<80[/tex]

Divide both sides by -80.

[tex]\begin{gathered} \frac{-80r}{-80}<-\frac{80}{80} \\ r>-1 \end{gathered}[/tex]

Note the change in sign when divided by a negative value

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