Tia's wire is 4 meter and 8 centimeter long which is that is 408 centimeter long and it is divided in 10 pieces.
tia = 408/10 = 40.8 cm
Tia's wire pieces are 40.8 cm long
Marta's wire, it is 540 centimeter long and is divided into 9 pieces
marta = 540/9 = 60 cm
Marta's wires are longer than Tia's
Marta's wire is 19.2 cm longer than tias
60cm - 40.8cm= 19.2 cm