Answer:
7
Step-by-step explanation:
189-63=126
63-21=42
126/3=42
42/3=14
21-14=
Common ratio of 3 so 21/3 = 7
The ratio of Ali mass to Williams mass is
6 : 3
= 2 : 1
Option 2 is the correct answer
Answer: 38
6 x 8 = 48
48 - 10 = 38
b = 75m
