A yard stick is placed vertically on the ground. It cases a 6 foot shadow. A tree nearby casts a 24 ft shadow. What is the height of the tree?

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