Excuse if I have this wrong but I’m going to guess that in every question how the 2 is up the m or the other letters that means you are multiplying that number/ letter by its self one more time so I’m not really sure, I’m sorry.
The sum of a number is the answer to an equation of a number plus a number you are correct.
15/hr
15x5 = 75 dollars. you can build the ratio table using the rate of change.
You can just use the app SnapCalc it answers anything for free
