Answer:
a=405
Step-by-step explanation:
A three-letter word used to show division in a word problem is PER.
You look for certain key words. The expression "at least" means "greater than or equal to." The expression " is no more than" means "less than or equal to." A sum means an addition. A difference is a subtraction. There are many other words that you need to look out for and translate into math symbols.
What table? They can all be functions. I need to see a table.