9000139504

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Project ID: 
9000139504
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1
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The average salary of five employees is \(3\: 000\, \mathrm{Euro}\). This group of the employees is expanded by one new person. The salary of the new person is \(2\: 400\, \mathrm{Euro}\). Find the change in the average salary of this group.
The average salary decreases by \(100\, \mathrm{Euro}\).
The average salary decreases by \(480\, \mathrm{Euro}\).
The average salary increases by \(400\, \mathrm{Euro}\).
The average salary increases by \(480\, \mathrm{Euro}\).