The first step to solve this question is to calculate the total pressure by finding the sum of the pressure of the tire and the atmospheric pressure:
[tex]30.0psi+14.7psi=44.7psi[/tex]The total pressure is 44.7psi. Nevertheless, they ask for the pressure in Pascals, so the next step is to convert this pressure in psi to pascals using a conversion factor. We know that 1 psi equals 6894.76Pa, use this as a conversion factor to find the pressure in pascals:
[tex]44.7psi\cdot\frac{6894.76Pa}{1psi}=308195.77Pa[/tex]It means that the total pressure of the tire in pascals is 308195.77Pa.
