The seats at Cabatuan auditorlum were arranged for a one-nlght concert-for- a-cause. There are 20 seats at first row, 25 seats at second row, 30 seats at third row, and so on for ten rows. How many seats are there in the last row? What Is the total number of seats are there ln the auditorium? If the price per ticket is P500, how much will be the total sales for a night If all seats are taken?

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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.