Write an equation for the statement and then solve the equation.
The width of a rectangular rectangular prism is 30 cm. This is
12 more than one-fourth of the length. Find the
volume of the prism, given the height is 20 cm.

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