Suppose you want to treat your office team to lattes at a local coffee shop. The drinks are plus you plan to buy a $3 scone for yourself. You also tip the barista 10% and have to pay 8 How many lattes can you afford if you have $60 to spend? 10% = 0.10 8.25% = 0.0825 What is the value you are trying to solve for? (What should your variab represent?) # of lattes cost of lattes scone The $60 you have represents... The total amount of money you can spend BEFORE tip The total amount of money you can spend BEFORE tax and tip The total amount of money you can spend INCLUDING tax and tip

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Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.