If you had 28/10 dollars, how much money would that be in dollars and cents (rounded to the nearest penny)? Use Order of Operations to simplify.

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