Question

A scale drawing is made to enlarge a picture by using a scale factor of 3. The enlarged picture is 9 inches by 15 inches. What are the dimensions of the original picture?

Answer 1

its A 3 inches by 5 inches

Answer 2

scale factor of 3 means the enlarged picture is 3 times larger than the original.

to find the size of the original divide the dimensions given by 3

9/3 = 3, 15/3 = 5

original picture was 3 inches x 5 inches