Divide Total Amount: To find the number of rolls, divide the total amount of tape needed by the amount of tape on each roll.8,000cm÷2,000cm/roll=4rolls.
Cross Multiply for n: Cross multiply to solve for n.12×8=5×n
Do the Multiplication: Now, do the multiplication. 96=5n
Divide Both Sides: Finally, divide both sides by 5 to solve for n.96÷5=n
Calculate Division: Calculate the division to find n.n=19.2
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