Answer:
The Factor is 1.5
Step-by-step explanation:
5.1(which is B'C') divided by 3.4(which is BC) = 1.5
3.6(A'C') divided by divided by 2.4(AC) = 1.5
2.7(A'B') divided by 1.8(AB) = 1.5
Henceforth the factor is 1.5
25 is 50% of 50
25 is half of 50 so it’s 50%