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January 31, 2015

January 31, 2015

Posted by **Laura** on Thursday, February 18, 2010 at 6:14pm.

a. Write and equation describing the relation between the amount A spent on advertising and the number x of boxes sold.

b. How much advertising is needed to sell 300.000 boxes of cereal?

c. Interpret slope

- math -
**Damon**, Thursday, February 18, 2010 at 6:49pmx = number sold

y = advertising cost

Do the whole problem in thousands, then multiply by 1000 at the end.

Points on graph

(X1,Y1) = (100, 40)

(X2,Y2) = (200, 60)

slope = (60-40)/(200-100)= (y - 40)/(x-100)

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