Identify Total Amount: Identify the total amount of electrical tape needed and the amount of tape on each roll.The electrician needs 8,000 centimeters of electrical tape, and each roll contains 2,000 centimeters of tape.
Determine Rolls Needed: Determine the number of rolls needed by dividing the total amount of tape by the amount of tape on each roll.To find the number of rolls, we use the division: Total amount of tape needed ÷ Amount of tape in each roll.Calculation: 8,000cm÷2,000cm/roll.
Perform Division: Perform the division to find the number of rolls. 8,000cm÷2,000cm/roll=4rolls.