Linear Equations with a Single Unknown: End of Linear Equations with a Single Unknown
Applications of Linear Equations with a Single Unknown: Speed measurement. Step 1
Sophie wants to travel a distance of #660\text{ km}# with her car and she wants to have a break of #60# minutes during her trip. She wants the trip to take exactly #7# hours. Set up an equation with unknown #x#, which expresses what the average speed of Sophie should be.
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