Why do we have to learn algebra and how do people use it in our daily life?

Question

Why do we have to learn algebra and how do people use it in our daily life?

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Answer 1

It’s used in many many different ways, but it doesn’t mean people carry an algebra textbook with them all the time.

Virtually any profession uses (mostly simple) algebra on a daily basis.

Even in your non-professional daily life you use it all the time, for example, when you do the shopping for the month, you either use statistics (last month I bought x amount and it was enough) or algebra (I use x amount per serving, I have y servings per week, a month has 4 weeks, therefore I need 4*y*x amount).