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# Price vs. Absorbency

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Math- 7th Grade Project- by Kari Savoie and Ben Show

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### Price vs. Absorbency

1. 1. PRICE VS.ABSORBENCYOF PAPERTOWELS By Kari Savoie and Ben Show
2. 2. MATERIALSEyedropperWateriPadPyrex6 Paper Towel Brands
3. 3. PAPER TOWELBRANDS Bounty Brawny Viva Scott Basic Thirsty
4. 4. PROCEDURE1. We folded the paper towel into a square.2. We filled an eyedropper with tablespoon full of water.3. We dropped the water on the corner of the paper towel square.4. Record5. Repeat
5. 5. BOUNTY RESULTS \$2.99 for 1 roll 52 sheets per roll 6 cents per sheet Made a circle with the diameter of 11
6. 6. \$1.99 for 1 roll 88 sheets per roll 3 cents per roll Made a circle of 9.5 centimetersBRAWNY RESULTS
7. 7. VIVA RESULTS \$1.63 for 1 roll 88 sheets per roll 2 cents per sheet Made a circle with the diameter of 7 centimeters
8. 8. SCOTT RESULTS\$1.99 for 1 roll102 sheets perroll1 cent per sheetMade a circle of11.5 centimeters
9. 9. \$1.49 for 1 roll 48 sheets per roll 4 cents per sheet Made a circle of 13.5 centimetersBASICRESULTS
10. 10. \$1.59 for 1 roll 75 sheets per roll 2 cents per sheet Made a circle of 11.5 centimetersTHIRSTY RESULTS
11. 11. The relationship is linear because both the diameter and the unit vary constantly, except for Scott.Bounty Brawny Viva Scott Basic Thirsty RESULTS
12. 12. The relationship of the two lines are not linear because the unit prices are very similar for all brands.Bounty Brawny Viva Scott Basic Thirsty RESULTS PART 2
13. 13. Scott is the best value brandbecause it has thelowest unit price of one cent.Also, it is tied for the secondhighest diameter and area of absorbency. Advice for Shoppers!