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a desk and a chair cost a total of $76. the desk costs 3 times more than the chair. how much does the cost? how much more does the desk cost than the chair?

Respuesta :

x=chair

3x=desk

3x+x=76

4x=76

x=19 dollars is chair

3x= 57 dollars is desk

Now subtract to get difference which is 38 dollars.


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