Remember to incorporate Bimdas, into you calculation and ensure where the addition and subtraction occur you work from left to right.
In order to make a table, we sample some x values (whichever we want), and we compute the expression for those value. Each x value will yield a unique y value.
If you need this table to graph the function, you'll only need two points, since this is a line, and having two points you just need to connect them.
Here are some samples, feel free to make more if you need to:





So, we have the following table

They each paint a part of the poster that is 1.333 or 1 1/3 feet long. Hope this helps:)
Download the app photo math and there is the answer
You divide 42 by 3 then multiply what you get times 5. it should equal 60 cm