<PRE><B>Question 994702</B>
The average air pressure in another town is 29 inches but the actual pressure is within 4 inches of the average. Write and solve an inequality to find the range of air pressure in this town.
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29 - 4 &lt;= P &lt;= 29 + 4
25 &lt;= P &lt;= 33
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PS 4&quot; is a lot of pressure difference.
A pressure of 27&quot; (~ 2.5&quot; below typical) is found in hurricanes.
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Category 1
 Hurricane has a central barometric pressure of 28.94 inches or more and winds of 74 to 95 mph. The storm is accompanied by a 4 to 5 foot storm surge and causes minimal damage 

Category 2
Pressure 28.5 inches to 28.93 inches, winds from 96 mph to 110 mph, storm surge 6 to 8 feet, damage moderate.

Category 3
 Pressure 27.91 inches to 28.49 inches, winds from 111 mph to 130 mph, storm surge 9 to 12 feet, damage extensive.

Category 4
 Pressure 27.17 inches to 27.90 inches, winds from 131 mph to 155 mph, storm surge 13 feet to 18 feet, damage extreme.


Category 5
Pressure less than 27.17 inches, winds greater than 155 mph, storm surge higher than 18 feet. Damage Catastrophic.
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