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Mathematics in Business and Economics
Negative Numbers
Negative numbers are used a great deal in economics - they invariably demonstrate a relationship between two variables. For example, we would expect the demand for a product to fall when price rises. Again, there are rules for working with negative numbers or expressions.
A negative multiplied or divided by a positive gives you a negative. A negative multiplied or divided by a negative gives a positive. In other words, like terms give a positive, unlike terms give a negative.
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