Answer:
this is not a full question
Step-by-step explanation:
Answer:
<u>Percent air is calculated as:</u>
- Percent air = Current amount/Total amount *100
<u>Solve for total amount of air:</u>
- Total amount = Current amount / Percent air * 100
Substitute the values in hand to get the answer
Answer:
D.
Step-by-step explanation:
2y = (2 x y) = 2 x 0 = 0
<em>0 - 0 = 0</em>