Question

two ratios form a proportion if the ratios reduce to the same fraction which two ratios below form a proportion

15/12 15/9 25/10 35/21

Answer 1

15/9 and 35/21

if you use your calculator you can figure out they're the same ratio which iss 5/3rds

Answer 2

Answer:

15/9 and 35/21 they both reduce 5/3

Step-by-step explanation: