What is the tire pressure at -20°F compared to 90°F, assuming the starting pressure was 32 psi?
90F = 32C = 305K
32psi X psi 32psi(244K) = Xpsi(305K)
------- = -------- ---> ------------- = ------------- ----> 25.6 = Xpsi
305 K 244 K 305K 305K
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