Question

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Answer 1

12x + 18y + 8 <= 80
That reflects all of the information in the first 3 sentences.

Answer 2

x + y <= 7
That reflects the information in the 4th sentence

Answer 3

That's it.
I see only 2 inequalities there.

Answer 4

the first wouldn't be 12x+18y<72 ?

Answer 5

You could use that inequality in place of my first one. If you simplify the one I wrote a little bit, you get your inequality.

Answer 6

So could it be 12x+18y<72
x+y≤ 7
x<7
y<7
as all 4?

Answer 7

OR 12x + 18y ≤ (80 - 8)
x + y ≤ 7
x ≤ 7
y ≤ 7

Answer 8

OK ... that should work.
It almost seems too obvious to write x <= 7 and y <=7...but maybe that's what they're trying to get from you.

Answer 9

So it's the 1st or 2nd one? Do you know how I could graph this? I'm hopeless when it comes to that

Answer 10

It's a square graph with 9 points on x and 7 on y if that helps