Calculus Question Bank

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Pre-calculus problem?

A bank auditor with experience can deposit a bank check twice as fast as a new auditor. Working together it takes 6 hours to do the job. How long would it take for the auditor with experience working only thanks? that shows the steps to the (question?:

Let x be the amount of time it takes the auditor with experience. Therefore, the amount of time it takes for a new auditor is 2x. Solve for x: 6 / x + 6 / (2x) = 1 / 6 x + 3 / x = 1 9 / x = 1 9 = X A: 9 hours

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