Mathematics, 12.07.2019 10:30 ayoismeisjjjjuan
Free shopping with her mother they pay $2 per pound for tomatoes at the vegetable stand find the constant proportionality in this situation write an equation to represent the relationship
Answers: 2
![\bf \qquad \qquad \textit{direct proportional variation}\\\\\textit{\underline{y} varies directly with \underline{x}}\qquad \qquad y=kx\impliedby \begin{array}{llll}k=constant\ of\\\qquad variation\end{array}\\\\[-0.35em]\rule{34em}{0.25pt}](/tpl/images/0080/6048/ee5d8.png)
![\bf \begin{array}{|cc|ll} \cline{1-2} \stackrel{x}{tomatoes~lbs}&\stackrel{y}{price}\\ \cline{1-2} 1&2\\ 2&4\\ 3&6\\ 4&8 \\ \cline{1-2} \end{array}~\hspace{5em} \begin{array}{llll} \textit{we know } \begin{cases} x=2\\ y=4 \end{cases}\implies 4=k2 \\\\\\ \cfrac{4}{2}=k\implies \blacktriangleright 2=k \blacktriangleleft \end{array} \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ ~\hfill y=2x~\hfill](/tpl/images/0080/6048/fa8fe.png)
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Free shopping with her mother they pay $2 per pound for tomatoes at the vegetable stand find the con...
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