Answer :

They help you figure things out... like how much money do I need to save each year to retire? Or how much will these groceries cost me??
They are immensely useful for so many reasons. Without them life would be much harder!!

Answer:

In Many Ways

Step-by-step explanation:

Equations help you do complicated problems, they help you prove your thinking, equations can be used in problems which are asked to do with equations(I have lots of those kind.) Equations can help you with Pi too!