Express in the form n:1 give n as a decimal 21:12

which is similar to n:1 where

Step-by-step explanation:

Here we have to Express in the form n:1 give n as a decimal 21:12 . Let's find out:

Given ratio as 21:12 . Let's convert it into n:1 , where n is decimal

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⇒                      { dividing denominator & numerator by 4 }

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⇒ which is similar to n:1 where

fourth month

step-by-step explanation:

it is the one with the most keychains.