Hey there, Elizabeth76265!
If the owner left only 3 cans of food for 5 days, that means that we have to divide those cans of food so we can just do simple math and divide 3 by 5

and you get 0.6
So the cat must eat 0.6 of each can everyday.
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Answer:
Infinitely many solutions.
Step-by-step explanation:
2 (n - 1) + 4n = 2 (3n - 1) Let's simplify this to solve it.
2n - 2 + 4n = 6n - 2 Distribute 2(n-1) and 2(3n-1)
2n + 4n - 2 = 6n - 2 Rearrange the left side of the equation.
6n - 2 = 6n - 2 Add 2n + 4n.
-6n -6n Subtract 6n from both sides.
-2 = -2
the answer is infinitely many solutions, meaning that n can be any real number.
Answer:
x=7
Step-by-step explanation:

now let’s put together the like terms


now we divide
By 
the result is

There are 3.5 tons of bricks on the truck. Hope I helped and good luck!
2*8+7=23..........................