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I am Lyosha [343]

3 years ago

7

A $310 suit is marked down by 10%. Find the sales price.

1 answer:

Angelina_Jolie [31]3 years ago

4 0

Answer:

The sale price is $279.

Step-by-step explanation:

$310-10%=$279

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gizmo_the_mogwai [7]

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keeping in mind that parallel lines have exactly the same slope, let's check for the slope of the equation above

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$(\stackrel{x_1}{4}~,~\stackrel{y_1}{-3})\qquad \qquad \stackrel{slope}{m}\implies 2 \\\\\\ \begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-\stackrel{y_1}{(-3)}=\stackrel{m}{2}(x-\stackrel{x_1}{4}) \\\\\\ y+3=2x-8\implies y=2x-11$

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