Answer:
30 units.
Step-by-step explanation:
Let x be number of milk units sold.
It has been given that You begin the week with 20 units of milk. You purchase 40 units. Therefore, total units of milk will be 
units.
It has been given that your ending inventory for the week is 30 units, which means after selling x units from 60 units you are left with 30 units.
We can set this information in an equation as:
Therefore, you have sold 30 units.
1: positive
2: negative
3: positive
4: negative
:)))
I can’t think of anything except analogous to a ray
Equilateral triangle have the same side lengths. Perimeter = sum of all sides
(4x - 3) + (4x - 3) + (4x - 3) = 63
Remove parentheses
4x - 3 + 4x - 3 + 4x - 3 = 63
Combine like terms
12x - 9 = 63
12x = 72, x = 6
Solution: x = 6
Answer:
6, the property of addition.
Step-by-step explanation:
If you add 6 to both sides you used addition lol. Hope I helped, I'm not too good at explaining math sorry
