Canine Agility Course

Algebra Level 1

My aunt and uncle have a Labrador Retriever named Tessa. Tessa is practicing with a basic agility course set up in the backyard.

She clears obstacle \(\alpha\) in 10.1 seconds, and then passes obstacle \(\beta\) in 6.5 seconds.

She passes obstacle \(\gamma\) and \(\theta\) in the same amount of time, passes obstacle \(\chi\) in 8.3 seconds, and finishes the course.

If the total course took exactly 30.0 seconds to pass, what is \(\chi-\theta\) ?


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