Michelle has 43 coins of change in her pocket made up of nickels (n), dimes (d), and quarters (q). She has three times as many quarters than she has dimes. The total value of her change is $6.70. Which system of equations below can be solved to find the exact number of nickels, dimes and quarters in Michelle’s pocket

The correct option is 2.

Step-by-step explanation:

The given data is

x               y

5              36

9              64

12            72

18            96

26           141

35           189

The general form of regression line is

From the given picture of graphing calculator, it is clear that the equation of regression line is

Approx the value of a and b upto tenth.

The equation of the line of best fit is y ≈ 5.10x+9.12. Therefore the correct option is 2.