Bobby draws an artwork measuring 2.25 inches. He makes a copy of the artwork, enlarging it so it's dimensions are now 3.15 inches by 2.8 inches. What scale factor did he use to create the copy of the original artwork?

Answer 1

To find the scale factor, we can divide the dimensions of the copy by the dimensions of the original artwork.
The scale factor for the length is 3.15 / 2.25 = 1.4.
The scale factor for the width is 2.8 / 2.25 ≈ 1.24.
Therefore, Bobby used a scale factor of approximately 1.4 for the length and approximately 1.24 for the width to create the copy of the original artwork.