Afemale grey whale is 2 times as long as a female killer whale. a female killer whale is 7 meters long. how long is a female grey whalevin centimeters?

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