Driving along a crowded freeway, you notice that it takes a time t to go from one mile marker to the next. When you increase your speed by 4.5 mi/h, the time to go one mile decreases by 9 s. What was your original speed?(adsbygoogle = window.adsbygoogle || []).push({});

I've been working on this for 2 hours, I can't seem to get the formula right.

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# Homework Help: Find initial Speed

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