Question

1. if a : b : 4 : 5 B : c : 3 : 4 find A : B : C . ​

Answer 1

Answer:

A:B:C=12:15:20

Step-by-step explanation:

On cross multiplication,

a:b=4:5(by 3)

b:c=3:4(by 5)

The result stands at 12:15:20

Answer 2

Step-by-step explanation:

A/B = 4/5

B/C = 3/4

THEN

LCM OF 5 AND 3 = 15

MAKE B = 15 IN ALL TERMS

THEN

A/B = 12 / 15 B/C = 15/ 20

THEN

THEN A:B:C = 12:15:20