Answer:
B. 12:240
Step-by-step explanation:
- 9:180
⇒ 1:20
Optiona (A) 5 : 200 it is not multiple of 1:20, Eliminate.
Option (B) 12:240, it is multiple of 1:20 ( x 12) , quality
Option (C) 10:400 , Eliminate
Option (D) 8:560 , Eliminate
Hence, 12:240 is equivalent to 9:180.
