Question

Write the compounds ratios of 5:7 and 2:9​

Answer 1

Answer:

By the defination of compound ratio 2:3 and 5:7 can be expressed as

32×75=2110

Hence 10:21

Answer 2

Step-by-step explanation:

step 1: 5:7

2:9

step2: 5*2/7*9

step3; 10/63