## Algebraic Expression:

Algebraic expressions are mathematical relationship of variables, numbers or integers, and algebraic operations. Algebraic expression is used to describe how variables is related to one another and is used extensively to solve for unknown values given known values.

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Let {eq}P {/eq} be the normal price of the cookie, that is, the price of the cookie when not in sale. Now, today the cookie costs {eq}0.75 {/eq} less...