Question

| 2.5:5 (express of the ratio in its smallest form​

Answer 1

Answer:

0.5:1

Step-by-step explanation:

2.5/5 = 0.5/1

   = 0.5:1

I hope it is the answer

Answer 2

Answer:

1:2

Step-by-step explanation:

Since 2.5 is common factor for 2.5&5 .

simplest $\frac{2.5}{2.5}$ :$\frac{5}{2.5}$=1:2