Calculate Total Tape: Calculate the total amount of tape needed and the amount of tape on each roll.Total tape needed = 8,000cm, Tape per roll = 2,000cm.
Find Number of Rolls: Divide the total tape needed by the tape per roll to find the number of rolls.Number of rolls = Total tape needed ÷ Tape per roll =8,000cm÷2,000cm.
Perform Division: Perform the division to get the number of rolls.Number of rolls = 4.