The aquarium has 6 fewer yellow fish than green fish. 40 percent of the fish are yellow. How many green fish are in the aquarium? Show your work.
+37159 40% of total is yellow and yellow is equal to green fish - 6 (yellow = green -6)
.4 (green + yellow) = green - 6
.4 (green + green - 6) = green - 6
.8 green - 2.4 = green - 6
3.6 = .2 green
green = 18 yellow = 12
