Question 1167153
the tape was 4.5 meters long.


she used 2/5 of it = 2/5 * 4.5 = 1.8 meters.


the part of the tape not used was 3/5 of it = 2.7 meters.


1.8 + 2.7 = 4.5, confirming the solution is correct.


the solution is that the part of the tape not used is 2.7 meters.