The sum of a number times 6 and 4 equals 5

45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?

Change negative exponents to positive, then solve

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