Look at the following examples to see how algebraic expressions can be used to represent word problems.
|a + 4||4 more than a|
|a - 4||4 less than a|
|4 - a||a less than 4|
|4a||4 times a|
|a/4||a ÷ 4 or ¼ of a|
|3a + 4||4 more than 3 times a|
|a/2 - 6||6 less than half of a|