Bunuel wrote:

A business firm reduces the number of hours its employees work from 40 hours per week to 36 hours per week while continuing to pay the same amount of money. If an employee earned x dollars per hour before the reduction in hours, how much does the employee earn per hour under the new system?

(A) 1/10

(B) x/9

(C) 9x/10

(D) 10x/9

(E) 9x

Assign easy numbersIf the employee makes 360 dollars for the 40 hours per week, he would earn 9 dollars per hour.

Since the employee now only works 36 hours per week, he would earn 10 dollars per hour.

New system pay for employee \(10 = \frac{10}{9}*(x=9)\)

Therefore, the employee earns \(\frac{10x}{9}\) an hour under the new system

(Option D)
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