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August 21, 2014

August 21, 2014

Posted by **John** on Wednesday, September 26, 2007 at 5:10pm.

- algebra -
**Ms. Sue**, Wednesday, September 26, 2007 at 5:15pmHow about multiplying 2 pounds by 5 days? Then subtract your answer from 70.

- algebra -
**Anonymous**, Wednesday, September 26, 2007 at 9:18pmfind the sum of the first 22 terms of the arithmetic progression, if the firstr term is 3 and the common difference is -7.

- algebra -
- algebra -
**Anonymous**, Wednesday, September 26, 2007 at 5:19pm70 - 2t, where t is the time in days (in this case, 5). That would give you an answer of 60 psi. (psi = Pounds per Square Inch)

A more accurate formula would take into account that the leak rate is proportional to tire pressure. They probably don't expect you to know that, since that involves physics.

The more accurate formula would be

70 *(68/70)^5 = 60.56 psi

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