# Math Help - Scale factor

1. ## Scale factor

Luanne made a photocopy of a drawing of a rectangle. The original drawing was 4.5 inches wide and 6 inches long. The copy was 6.75 inches wide and 9 inches long. What was the scale factor for Luanne's copy?

A) 1.5

B) 2

C) 2.25

D) 3

HELP ME!!!

2. ## Re: Scale factor

$scale factor=\frac{final\,size}{original\, size}$