Gianna is working two summer jobs, making $$10$ per hour walking dogs and making $$18$ per hour tutoring. In a given week, she can work a maximum of $17$ total hours and must earn a minimum of $$250.$ If Gianna worked $7$ hours tutoring, determine the minimum number of whole hours walking dogs that she must work to meet her requirements.

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Let x be the number of hours Gianna works walking dogs Given that she works 7 hours tutoring the t... View the full answer