9000139504

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Project ID: 
9000139504
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1
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The average salary of five employees is 3000Euro. This group of the employees is expanded by one new person. The salary of the new person is 2400Euro. Find the change in the average salary of this group.
The average salary decreases by 100Euro.
The average salary decreases by 480Euro.
The average salary increases by 400Euro.
The average salary increases by 480Euro.