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January 29, 2015

January 29, 2015

Posted by **Tyler** on Tuesday, February 26, 2008 at 8:55pm.

- Math -
**drwls**, Wednesday, February 27, 2008 at 12:46amThe area of all the walls scales with the square of the linear dimension, as they remain similar in shape but increase in size. Doubling all the linear dimensions multiplies tha total area by 4. Painting the enlarged room therefore takes 4 x 3 = 12 days.

- Math -
**Lramirez**, Tuesday, February 14, 2012 at 8:52pmAt an automotive repaire shop, 3.5 h of labour costs $311.50.

a) What is the labour charge a 5-h job?

b) How could you check you answer?

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