SOLUTION: If it takes 110 minutes to cook a 4 pound turkey and it takes 230 minutes to cook a 10 pound turkey write a linear equation for this

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Question 299464: If it takes 110 minutes to cook a 4 pound turkey and it takes 230 minutes to cook a 10 pound turkey write a linear equation for this
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
Let X be the pounds & Y be the time to cook.
(4,100) (10,230)
Y=mX+b
m=slope=(Y2-Y1)/(X2-X1)
m=(230-100)/(10-4)=130/6=21.667 is the slope.
100=21.667*4+b
100=86.667+b
b=100-86.667
b=13.333 is the Y intercept.
Y=21.667x+13.333
+graph%28+300%2C+200%2C+-6%2C+15%2C+-100%2C+250%2C+21.667x+%2B13.333%29+ (graph 300x200 pixels, x from -6 to 15, y from -100 to 250, 21.667x +13.333).