19. If a : (b+c) = 1:3 and c: (a+ b) = 5:7, then b:(a+C) is equal to (1) 1:2 (2) 2:3 (3) 1:3 (4) 2:1.
Answers
Answered by
1
Answer:
1:2
Step-by-step explanation:
i hope this is helpful for you
Similar questions