Question

One 100 g 100 g sample comprised of molecule (A) is made up of 57.1 g 57.1 g of oxygen and 42.9 g 42.9 g of carbon. Another 100 g 100 g sample comprised of molecule (B) is made up of 72.7 g 72.7 g oxygen and 27.3 g 27.3 g carbon. What is the ratio of these oxygen:carbon mass ratios?