There are two types of tickets sold at the Canadian Formula One Grand Prix race.  The price of 6 grandstand tickets and 2 general admission tickets is $2330.  The price of 4 grandstand tickets and 4 general admission tickets is $2020.   Can you buy 6 general admission tickets and 2 grandstand tickets for $2330? why or why not?

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Equations and inequalities describe the relationship between two mathematical expressions.

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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.