relations an function

The Tire pressure varies inversely with the volume of air in the tire. If the pressure is 40 psi when the volume is 105 in.^3, find the pressure when the volume is 120 in.^3

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1 Answer

P1 * V1 = P2 * V2

40 * 105 = P2 * 120

P2 = 40 * 105 / 120

P2 = 35 psi
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