alysonjohnson alysonjohnson 20-01-2023 Mathematics contestada A picture is 7 inches wide and 9 inches long. A photographer enlarges it so it is 31.5 inches wide and 40.5 inches long. What scale factor was used to enlarge the picture? 9 over 7 7 over 9 31.5 over 7 7 over 31.5