At a restaurant the ratio of kids meal, how manys sold to adult meals sold was 9: 2. if there were 81 kids meals sold, how many adult meals sold?

Several paint mixtures are made by mixing blue paint and white paint. paint colors blue paint white paint mixture a 5 cups 12 cups mixture b 6 cups 6 cups mixture c 4 cups 12 cups mixture d 5 cups 6 cups which mixture has the highest ratio of blue paint to white paint