Answer:
20.5 : 61.5
Step-by-step explanation:
1:3
1 + 3 = 4
82 ÷ 4 = 20.5
ratio of 1:3
1 × 20.5 = 20.5
3 × 20.5 = 61.5
20.5 : 61.5
Answer:
I belive it is 2.9716
Step-by-step explanation:
Answer:
30/45
Step-by-step explanation:
Because 15*2=30 and 22.5*2=45.
Answer:

Step-by-step explanation:

To figure this out i would just dived 2.8 by 3 then multiply by two. I do not know if you must keep it as a fraction but this is the easiest way for me to do it