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The Gleason family has a monthly budget of $4,500. Mr. Gleason has a full time job and takes home $900 each week. Mrs. Gleason works part time and brings home $9 for every hour she works. How many hours per month must Mrs. Gleason work to make sure that she and Mr. Gleason have met their monthly budget?

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BlueSky06
To answer this item, we let x be the number of hours per month that Mrs. Gleason should work. The total budget is equal to sum of the amount acquired by Mr. Gleason and Mrs. Gleason. The equation that would express this is,
                            4,500 = 900(4) + 9x
The value of x from the equation is 100. Thus, Mrs. Gleason should work for 100 hours per month. 

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