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Type: Open-Ended
Category: Linear Equations
Level: Grade 9
Standards: HSA-CED.A.1
Author: info@matheaze.com
Last Modified: 7 years ago

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Grade 9 Linear Equations CCSS: HSA-CED.A.1

Chris and Alan are riding their bikes in opposite directions. Chris rides at a speed of 15 mph and Alan rides at a speed of 12 mph. If they continue to ride at this pace, after how many hours will they be 81 miles apart?