A) All ordered points show equivalent ratio of pounds to dollars
B) This line of the graph begins at the origin (0,0) and goes through the plotted coordinate points which are (5,4), (10,8), (15,12) and (20,16).
C) The cost of 50 pounds of beans is; $40
A) Looking at the graph, the coordinates of the plotted points are;
(5,4), (10,8), (15,12) and (20,16).
Ratio of pounds to dollars for each coordinate is;
(5,4); 5/4
(10,8); 10/8 = 5/4
(15, 12); 15/12 = 5/4
(20, 16); 20/16 = 5/4
Thus, all points show equivalent ratio of pounds to dollars
B) The line connecting given points is the graph showing how much Chef Allen pays for different amounts of beans.
This line of the graph begins at the origin (0,0) and goes through the plotted coordinate points which are (5,4), (10,8), (15,12) and (20,16).
C) We saw earlier that the ratio of pounds to dollars all through is 5/4.
Thus, 50 pounds of dollars will yield;
⁵⁰/ₓ = ⁵/₄
Cross multiply to get;
5x = 200
x = 200/5
x = $40
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