Question 1059369
I assume your problem's equation is
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y = (2/3) * x, also can be written as y = 2x/3
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This is a line in the Cartesian plane that associates a real value x to a y value, each pair is a point (x, y) on the line.
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I would choose x values 3, 6, 9, 12, 15, .... since the denominator is a 3
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Here is the graph of y = 2x/3
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{{{ graph( 300, 200, -9, 9, -10, 10, (2 * x)/3 ) }}}
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From the graph it looks like the y value is (1/3) the distance between 5 and 6
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y = (2*8) / 3 = 5.333333....
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The cost of 8 pounds of bananas is approximately $5 and 34 cents
since the merchant is not going to be short a penny   :-)
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