PLEASE HELP!
BRAINLIEST ANSWER!!!!!!!!





Answer:
1) 1. 3/5
2. 6/10 which simplifies to 3/5
3. 9/15 which simplifies to 3/5
Step-by-step explanation:
let me know if there are specific questions you want me to answer. I did the first one, but I don't have time to answer them all right now. hopefully this gives you a good start
[tex]b:8:10=3:4:5\\ 9:12:15=3:4:5\ \left\{Calculation\right.[/tex]
[tex](3\times4):(4\times4):(5\times4)=12:16:20[/tex]