A mass of gas occupies a volume of 4.30 liters at a pressure of 1.70 atm and a temperature of 300 K. It is compressed adiabatically to a volume of 1.50 liter. Determine the final pressure (in atmospheres) of the gas. (The specific heat ratio = 1.5)

My professor doesn't do a great job at explaining key components to look for when selecting the equations needed to complete such problems. If you can help I would be much appreciated. There are 2 more problems similar so at least I can get the hang of it from this one.