Answer:
2x²y+(x²y-2xy²) = 3x²y-2xy²
(5xy²-x²y) +3x²y = 5xy²-2x²y
4x²y+(x²y+xy²) = 5x²y+xy²
x²y+(-2xy²-4x²y) = -3x²y-2xy²
Step-by-step explanation: there you go
The last two options are correct, but it looks like you’ve got them :)
You have to cross multiply
640/20 = x/1
20x = 640
x = 32
Answer = 32 ounces for each employee