Step-by-step explanation:

Let
x: amount of pounds of cheese that Bill can buy.
We can write the following inequation for this problem
x <= 1/2
Therefore, Bill could buy up to 1/2 pound of cheese.
answer
1/2 pound of cheese (maximum)
The slope is -3/2 and the y-intercept is -3. If you need me to explain I can do that :) hope this helps
What you need to do is multiply both sides by the same number. If 8 times 6 is 48, then 7 times 6 is your answer.