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during summer vacation you charge people $8 per hour for swimming lessons and $20 registration fee if you make 50 to 1 day how many hours did you spend teaching lessons
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during summer vacation you charge people $8 per hour for swimming lessons and $20 registration fee if you make 50 to 1 day how many hours did you spend teaching lessons

User Datkom
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1 Answer

3 votes
8÷30=3.75


3hrs 45mins.

User Brianlmerritt
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