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The inequality sign that means "no more than" is the less than or equal to sign, denoted as ≤. This sign indicates that the value on the left side of the inequality is either less than or equal to the value on the right side. In other words, if a ≤ b, it means that a is either less than b or equal to b.
The sign is "greater than or equal to" or ≥
An inequality is similar to an equation, except that instead of an equal sign, it uses one of the following signs: * less-than * less-than-or-equal * greater-than * greater-than-or-equal
It depends on the specific inequality. In the simplest cases, it is solved just like an equation; except that you must be careful when multiplying and dividing - if you multiply or divide both sides by a negative number, you must switch the inequality sign. For instance, a "less-than" sign would be changed to a "greater-than" sign.
An inequality is similar to an equation, in that it compares two expressions. But in an equality, instead of an equal sign, you would usually use one out of the following inequality symbols:* less than * less than or equal * greater than * greater than or equal
That's not an inequality; an inequality needs a "greater than" or a "less than" sign. Those must have gotten lost when you typed the title. Anyway, basically you are supposed to replace the numbers one by one in the inequality, do the calculations, and see whether the resulting statement is true or not.