SOLUTION: When air is pumped into a tire, the pressure required varies inversely as the volume of air. If the pressure is 30 pounds per inch when the volume is 140 cubic inches, find the p

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Question 1081029: When air is pumped into a tire, the pressure required varies inversely as the
volume of air. If the pressure is 30 pounds per inch when the volume is 140
cubic inches, find the pressure required to put air into a tire with volume of 100 cubic inches. please

Answer by Boreal(15235)   (Show Source): You can put this solution on YOUR website!
P=k/V
30=k/140
k=4200
now use k in the second part
P=4200/100=42 psi

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