let apple juice = x
milk = 2x
fruit punch = 3x
3x + 2x + x = 660
6x = 660
x = 660/6
x = 110 apple juices
2*110 = 220 milks
3*110 = 330 fruit punches
Let x be the number of square feet to be mowed
215 square feet take 22 minutes
x square feet take 12 minutes
8w
-8w times -w is like -8*-1 which would just make the number positive.