Gina uses a magnifying glass to look at bugs. A caterpillar that is 2 inches long appears 4.5 inches long through the glass. What is the scale factor?
2.25
0.4
9
2.5
1 answer
The scale factor is determined by dividing the length seen through the magnifying glass by the actual length. Therefore, the scale factor is 4.5 inches divided by 2 inches, which equals 2.25. So, the correct answer is 2.25.