Answer: To solve this problem, we need to subtract the length of wire used from the total length of the wire.
Given that there is a roll of wire with a total length of 78 meters (78M), and 47.15 meters (47.15m) of wire have been used, we need to find out how much wire is left.
To find the remaining length of wire, we subtract the length used from the total length:
78m - 47.15m = 30.85m
Therefore, there are 30.85 meters of wire left.
Step-by-step explanation: :)
