Find the scale factor.
Clues:
- Dimensions of Original Image: 5 inches x 7 inches
- Dimensions of Poster Space: 15 inches x 21 inches

The scale factor is _______

Show/explain your thinking in the space below.

Respuesta :

The scale factor is 3.

5 x 3 is 15
7 x 3 is 21

Therefore they are both multiplied by 3
5times3 is 15. That’s what I got