Lesson 7.1

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It's the first day of second semester and Ms. Van Spronsen is already giving us a hard time. Today we learned TWO things, substitution AND breakeven. Which was way too much for one day. 

Anyways, substitution is really easy peasy and quite obvious. All you have to do is isolate a variable on one equation then substitute it in the other. Then you solve and then back substitute.

And that's how you substitute! Now, onto breaking even.

There are two equations used to find your break even, which is total cost = total revenue

In order to find your total cost, you multiply your cost per unit and numbers of units sold, then add the initial cost.

In order to find total revenue, you multiply the price per unit and the number of units sold.

And that's how you find the break even. Basically you just need to make sure you're plugging everything in its correct place and just go back to using substitution for the missing variables!

Well that's Day 1 of Second Semester and blogging!