Verified Answer :

so 10:12
we want to convert 10 to 1
divide both by 10
10/10=1
12/10=1.2
answer
10:12=1:1.2
n=1.2

Leader

\(\frac{10}{12} =\frac{1}{n}\\\\\sf{Cross~multiply}}\\\\10n = 12\\\\\sf{Divide~both~sides~by~10}\\\\ \boxed{\bf{n = 1.2}}\)

n = 1.2