Question

A rectangle that is 2 inches by 3 inches has been scaled by a factor of 7.

1. What are the side lengths of the scaled copy?

2. Suppose you want to scale the copy back to it's original size. What scale factor should you use?

Answer 1

To get the new scaled copy length and width just multiply by seven (2x7 & 3x7)

New length would be 14 because it's "seven times" the original size

New width would be 21

Explanation:

1.) 14 and 21

2.) 14 divided by 7 will give you 2

and 21 divided by 7 will give you 3

The answer for question 2 would be to divide your new answers (21 and 14) by the scaled factor of 7.