7. Bob takes his bike up a mountain. If the pressure in his bike tires is 0.9atm at the bottom of the mountain
where the air temperature is 25°C, what is the pressure in the tire at the top of the mountain where the
air temperature is 15°C?
0.87atm
0.93 atm
C. 0.54 atm
d. 1.5 atm