Question

Ratio and Proportion
10. Find a : b: c when (1) a : b= 4:7 and b:c=5:3, and (2) a:b=7 1/2:5 and b:c=1 1/4:3.​

Answer 1

Step-by-step explanation:

1) a/b=4/7and b/c=5/3

a:b:c=20:35:21