Question

i cut a piece 49m 76 cm long from a roll of wire 80 m long. hoe much wire was left behind?

Answer 1

Total length of wire = 80 m
Part of wire used = 49 m 76 cm = 49+0.76 = 49.76 m
Remaining length of wire = 80 - 49.76 = 30.24 m = 30 m 24 cm