Q. Solve for z. Express your answer as a proper or improper fraction in simplest terms.81=−21z+61Answer: z=
Determine Total Tape Needed: First, we need to determine the total amount of electrical tape the electrician needs and the amount of tape on each roll.Total amount of electrical tape needed: 8,000cmAmount of tape on each roll: 2,000cmTo find out how many rolls the electrician should order, we divide the total amount of tape needed by the amount of tape on each roll.
Calculate Rolls Required: Perform the division to calculate the number of rolls needed. 8,000cm÷2,000cm/roll=4rolls