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January 31, 2015

January 31, 2015

Posted by **ken** on Tuesday, May 17, 2011 at 9:11pm.

- algebra -
**Reiny**, Tuesday, May 17, 2011 at 9:16pmlook at it as two ordered pairs (0,68.2) and (4,70.8)

find the equation in the form

e = mt + b, just like you would find the equation of the line y = mx + b

since (0,68.2) is the y-intercept

you already know

e = mt + 68.2

just find the slope m and you are done

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