Homework Help: algebra

Posted by lee on Tuesday, September 18, 2012 at 11:19am.

The office manager of a small office ordered 120 packs of printer paper. Based on average daily use, she knows that the paper will last about 40 days. What graph represents this situation? How many packs of printer paper should the manager expect to have after 10 days?

Not sure if it would be 30packs or 90packs. Then if the graph would go up or down.
If someone could explain how to work this out it would be helpful

algebra - Henry, Wednesday, September 19, 2012 at 7:04pm
120Packs/40days = 3 Packs/Day.

P = 120 - 3*10 = 90 Packs remaining after 10 days.
algebra - Henry, Wednesday, September 19, 2012 at 7:28pm
1. P = 120 - 3x..

P = The number of packs remaining after X days.
3 = The # of packs used per day.

Use the following points fr graphng:

(X,Y0.
(0,120)
(4,108)
(8,96)
(12,84)
(16,72)
(20,60)
(24,48)
(28,36)
(32,24)
(36,12)
(40,0).

9
algebra - brandon, Wednesday, September 19, 2012 at 8:35pm
Thank you that is what I finally figured but wasnt sure about the graph

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