The original price of a marker is $5.00 What will the new price be after a 15% increase ? *
2 answers:
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Answer:
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- <em> Variable</em>
- <em> Variable expression</em>
- <em> Number</em>
Explanation:
A <em>literal equation</em> contains numbers, letters, and signs.
The letters represent variables, the numbers are constants, and the sign express relations, like equal (=), less than (<), and greater than (>).
You use the signs to make equations or inequalities.
Algebra is the use of mathematical rules applied to literal expressions. You can add, subtract, multiply and divide literal, expressions, like in arithmetic, following some rules.
<em>To rewritte a literal equation in terms of a specific variable</em>, you may need to <em>divide by</em> <em>another variable, a variable expression, or a number</em>, but never by an inequality sign.
Here you have one example for each case:
<u>1. Dividing by another variable.</u>
<u> 2. Dividing by a variable expression.</u>
<u>3. Dividing by a number:</u>
As said above, you cannot divide by an inequality sign.