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julie is a math tutor in the academic center. she charges $210 for the first 7 hours of tutoring and $20 for each additional hour of tutoring. she earned $410 tutoring 1 student, how many total hours did
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julie is a math tutor in the academic center. she charges $210 for the first 7 hours of tutoring and $20 for each additional hour of tutoring. she earned $410 tutoring 1 student, how many total hours did she spent tutoring the student?

User Elliotrock
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She spent 17 hours tutoring the student.
User Chris Lindseth
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