Question

The first TV Chrystal had was 7 inches by 9 inches. She now has a TV that is 56 inches by 72 inches. What is the scale factor?

Answer 1

8

Explanation

to find the scale factor you find out by how many times the numbers have gone bigger or smaller

7inches by 9inches

56inches by 72inches

7×8= 56

9×8=72

7 and 9 have changed 8 times more so the scale factor is 8