Respuesta :

Answer is J
If you take two points on graph
(0,240) and (300,210) and find slope which is y-y over x-x you get -1/10 then slope intercept is y=mx + b so use a point (0,240) and plug in slope
240=-1/10(0) +b, b=240 so your equation is y=-1/10 x + 240

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