algebra

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An electrician working on a project spent one-third of his time wiring the main service. If the electrician spent 4hours wiring the main service,how much time did he spend on the project? Write an equation to solve the problem. Use algebra to solve the equation. Verify your solution.

• algebra -

(1/3)x = 4

x = 4 / (1/3)

x = 4 * 3

x = 12 hours

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