12. Finding the length of ribbon

In a school, an art teacher asked the students to bring \(\frac{5}{4}\) \(\text{m}\) long ribbon for decorating a classroom for the upcoming Children's Day. In which the teacher used only \(\frac{13}{19}\) of the ribbon. Find the length of the ribbon used by the teacher.

 

 

Length of ribbon the teacher used \(=\) $\frac{i}{i}$ \(m\)