3w 5 12 July 8, 2019 16 32 64 128 5 3w 12 w 7 3 3w 5 )= 12 3 3w 5 )- 12w 3(3w-5)=12 solve for w 5 3w 2 )- 12 5 w 30 oil 3w = 12
