Many car tires operate best around 35 psig. (If the pressure gets too low, gas mileage can decrease and the risk of puncturing the tire can increase.) Knowing this, you recently inflated your tires to 35 psig but, it being April in Louisiana, the temperature was 80 when you inflated the tires and it is now 40. Assuming no gas has been lost from the tires and the tires have a constant volume - What is the expected tire pressure now that it is 40 degree F