# Essay About Systems Of Linear Equations This problem is pretty much the opposite of the previous example.Let’s start with defining $$p$$ to be the price of the shirt before the sale. This means that 0.35$$p$$ has been subtracted off from the original price.Note as well that at this point it is assumed that you are capable of solving fairly simple linear equations and so not a lot of detail will be given for the actual solution stage.

This problem is pretty much the opposite of the previous example.Let’s start with defining $$p$$ to be the price of the shirt before the sale. This means that 0.35$$p$$ has been subtracted off from the original price.

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Or, put in other words, we will now start looking at story problems or word problems. It is my belief however that the main reason for this is that students really don’t know how to work them.

Once you understand how to work them, you’ll probably find that they aren’t as bad as they may seem on occasion.

In a certain Algebra class there is a total of 350 possible points.

These points come from 5 homework sets that are worth 10 points each and 3 hour exams that are worth 100 points each.

$\frac =$ Since we are using the standard scale if the grade percentage is 0.9 or higher the student will get an A.

Likewise, if the grade percentage is between 0.8 and 0.9 the student will get a B.

Due to the nature of the mathematics on this site it is best views in landscape mode.

If your device is not in landscape mode many of the equations will run off the side of your device (should be able to scroll to see them) and some of the menu items will be cut off due to the narrow screen width.

So, the equation is then, $\begin4\left( \right) 2\left( x \right) & = 72\ 16x 2x & = 72\ 18x & = 72\ x & = 4\end$ So, it looks like the height of the set of shelves should be 4 feet. First, let’s define $$p$$ to be the cost that the store paid for the calculator. This means that 0.15$$p$$ has been added on to the original price ($$p$$) to get the amount the calculator is being sold for.

Note however that we haven’t actually answered the question however. This means that we also need the width of the set of shelves. In other words, we have the following equation $p 0.15p = 78.50$ that we need to solve for $$p$$.

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