SOLUTION: Define the variables and write an equation to model the relationship in each table: Number of Tapes Cost 1 $8.50 2 $17.00 3 $25.

Question 490210: Define the variables and write an equation to model the relationship in each table:
Number of Tapes Cost
1 $8.50
2 $17.00
3 $25.50
4 $34.00

Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
you will use:
A common form of a linear equation in the two variables and is

where and designate constants.

let num of Tapes be (independent variable) and
total cost (dependent variable)

so, we have

1.

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