Question

a rectangle that is 2 inches by 3 inches has been scaled by a factor of 7. what are the side lengths of the scaled copy?

Explanation:

Step1: Scale the first side

To find the scaled length of the 2 - inch side, multiply by the scale factor 7.
$2\times7 = 14$ (inches)

Step2: Scale the second side

To find the scaled length of the 3 - inch side, multiply by the scale factor 7.
$3\times7=21$ (inches)

Answer:

The side lengths of the scaled copy are 14 inches and 21 inches.