Q. Solve the following equation for A. Be sure to take into account whether a letter is capitalized or not.−D+A=fAnswer: A=
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 number of rolls: Determine the number of rolls needed by dividing the total amount of tape by the amount on each roll.To find the number of rolls, we divide the total amount needed (8,000cm) by the amount on each roll (2,000cm).Calculation: 8,000cm÷2,000cm=4 rolls
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