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December 19, 2014

December 19, 2014

Posted by **Brianna** on Wednesday, October 19, 2011 at 5:59pm.

15lbs to 18lbs

$38 to $65

125lbs to 143lbs

- Algebra help -
**Ms. Sue**, Wednesday, October 19, 2011 at 6:01pmThese are all increases.

18 - 15 = 3

3/15 = 0.2 = 20%

Try the others, and I'll check your answers.

- Algebra help -
**Brianna**, Wednesday, October 19, 2011 at 6:20pmThank you! Are these right?

$38 to $65

65-38=27

27/38=0.710 = 70%

125lb to 143lb

143-125=18

18/125=0.144= 14%

- Algebra help -
**Ms. Sue**, Wednesday, October 19, 2011 at 6:32pmYou're close.

27/38 = 0.7105 = 71.1% rounded to the nearest tenth

18/125 = 0.144 = 14.4%

- Algebra help -
**Brianna**, Wednesday, October 19, 2011 at 6:46pmOk. Now I have a question about finding the minimum and maximum possible areas for rectangles with the following areas. This is what I got can you check please?

7 mi x 8 mi

Minimum 7.5x 6.5= 48.75 mi

Maximum 8.5x 7.5= 63.75 mi

12 km x 5 km

Minimum 11.5x4.5= 51.75 km

Maximum 12.5x5.5= 68.75 km

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