Answer:
Scale factor of [tex]\frac{1}{7}[/tex].
Step-by-step explanation:
scale = [tex]\frac{scaled length}{actual length}[/tex]
The rectangle has been scaled by a factor of seven implies that its real dimensions has been multiplied by seven. Therefore, to scale the copy back to its original size, its dimension should be multiplied by a scale factor of [tex]\frac{1}{7}[/tex].
Example:
when the scale is 7;
2 x 7 = 14
3 x 7 = 21
when the scale is [tex]\frac{1}{7}[/tex];
14 x [tex]\frac{1}{7}[/tex] = 2
21 x [tex]\frac{1}{7}[/tex] = 3
