Question

Express in the form 1 : n . Give n as a decimal. 20 : 4

Answer 1

Answer:

Step-by-step explanation:

Answer 2

Answer :

n = 0.2

Step-by-step explanation :

If 20 : 4

Then,

15 : 3

10 : 2

5 : 1

0 : 0

But,

0 : 0

1 : 0.2

2 : 0.4

3 : 0.6

4 : 0.8

5 : 1

Since,

1 : n and 1 : 0.2

Therefore, n = 0.2