Answer:
12:15 would match with 4:5
20:36 would match with 5:9
18:24 would match with 3:4
Step-by-step explanation:
you have to see that both the numbers are multiplied but the same number to get the ratio
so in 4:5 they both are multiply by 3 to get 12;15
4 times 3 is 12 and 5 times 3 is 15
