Question

A photograph of a painting measures 13 units by 17 units. If the scale factor is 1/3, what is the actual size of the painting?

26 by 34
26 by 34

4.3 by 5.7
4.3 by 5.7

39 by 51
39 by 51

Answer 1

39 by 51

Explanation:

:)

Answer 2

the size of the painting is 39 inches by 51 inches.

Explanation:

Size of the painting: A * B

Scale factor: 1/3

Size of the photo: [1/3]A * [1/3]B

[1/3]A = 13inches => A = 13inches * 3 = 39 inches

[1/3]B = 17 inches => B = 17 inces * 3 = 51 inches.