Manuel spends the weekend with friends who live 385 miles from his home. After his visit, he drives back home at an average rate of 55 miles per hour. Let x represent the time spent driving, in hours, and let y represent Manuel's distance from home, in miles.

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Respuesta :

He drives 55 miles per hour for x hours. You want to multiply the number of hours by his speed , so you have 55x.

Then you want to subtract that from the total miles he has to drive.

The equation is Y = 385 - 55x