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marth!
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There is a proportional relationship between the total cost (in dollars), 
y, and the number of jackets Nguyen buys, 
x. He purchased 17 jackets for 
$136.
Graph this proportional relationship.

marth!\newlinePOINTS\newlinePOINTS\newlineGAME\newlineReview\newlineChange Assignment\newlined help?\newlineFirst try was incorrect\newlineHide S S \newlineThere is a proportional relationship between the total cost (in dollars), y y , and the number of jackets Nguyen buys, x x . He purchased 1717 jackets for $136 \$ 136 .\newlineGraph this proportional relationship.

Full solution

Q. marth!\newlinePOINTS\newlinePOINTS\newlineGAME\newlineReview\newlineChange Assignment\newlined help?\newlineFirst try was incorrect\newlineHide S S \newlineThere is a proportional relationship between the total cost (in dollars), y y , and the number of jackets Nguyen buys, x x . He purchased 1717 jackets for $136 \$ 136 .\newlineGraph this proportional relationship.
  1. Calculate cost per jacket: Figure out the cost per jacket by dividing the total cost by the number of jackets.\newline$136/17\$136 / 17 jackets = $8\$8 per jacket.
  2. Write total cost equation: Write the equation for the total cost yy in terms of the number of jackets xx.y=8xy = 8x
  3. Plot point on graph: To graph this, start by plotting the point (17,136)(17, 136) since we know Nguyen bought 1717 jackets for \$\(136\).
  4. Graph proportional relationship: Since it's a proportional relationship, the graph will be a straight line that passes through the origin \((0,0)\) and the point \((17, 136)\).

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