A salad dressing consists mainly of olive oil and vinegar. The density of oil is 0.918 g/cm^3, the density of vinegar is1.006 g/cm^3, and the two do not mix. If a certian mixture of olive oil and vinegarhas a total mass of 397.8g and a total volume of 4228 cm^3, what is the volume of oil and what is the volume of vinegar in the mixture?