Pergunta

3. The Pet Kennel has 12 dogs and cats for the weekend The number of dogs is three less than twice the number of cats. Write a system of equations to model this. ) d+c=12 d=2c-3 ) d+c=12 c=2d-3 ) d+c=12 2c=d-3 ) d+c=12 d=3-2c
Solução

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Sara MariaMestre · Tutor por 5 anos
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The correct system of equations to model the situation is:<br /><br />$\{ \begin{matrix} d+c=12\\ d=2c-3\end{matrix} $<br /><br />Explanation:<br />- The first equation represents the total number of dogs and cats, which is 12.<br />- The second equation represents the relationship between the number of dogs and cats, where the number of dogs is three less than twice the number of cats.
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