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Tom’s old car has a major oil leak, losing 25% of the oil in the engine every week. Tom adds a quart of oil weekly. The capacity of the engine is 6 quarts of oil. In the long run, what will the oil level (in quarts) be at the end of every week before each quart of oil is added?

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    Welcome to Math.SE! One way you can help us answer your question is by describing what you've already tried. What have you attempted to do in solving this word problem? (Also--What does this have to do with differential equations?)2012-12-07
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    This seems to be more of a dynamical systems question - the fuel is added all at once, it seems to me?2012-12-07
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    I don't think the oil is added all at once--it is added once a week at the end of the week.2012-12-07

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