Answer:
x-3y-z
Step-by-step explanation:
separate common terms and add them
1/2x+3/4x=1x
-2y-y=-3y
2z-3z=-1z
1x-3y-1z
the answer you are looking for is 5 9/20 pounds
sorry but it as to be twenty character
The answer is D 75% of the original volume is left.