Am sorry i was unable to show you my calculations but my answer is 115.5 for 20%and for full tank costs 592.5
Third one is across the x-axis
Answer: 100 pounds
Step-by-step explanation:
60-25=35
35/0.35=100
Answer:

Step-by-step explanation:
Let
and 
<u>Determine slope</u>
<u />
<u>Use either ordered pair to find the y-intercept</u>
<u />
<u>Final equation</u>
<u />