Penny has 25 dimes. She likes to arrange them into three piles, putting an odd number of dimes into each pile. In how many ways could she do this?

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