Physics, 20.12.2019 02:31, unkn03n78

Roberto plans to start a new job. in preparation, he decides that he should spend no more than 30 hours per week on the job and homework combined. if roberto wants to have at least 2 homework hours for every 1 hour at his job, what is the maximum number of hours that he should spend at his job each week?

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Roberto plans to start a new job. in preparation, he decides that he should spend no more than 30 ho...