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Mathematics, 03.07.2021 07:30 kimho2324
It takes Caroline 1 hr to ride the train to some place and 1.5 hr to ride the bus. Every week, she must make at least 8 trips to the place, and she plans to spend no more than 9 hr in travel time. If a train trip costs $6 and a bus trip costs $5, how many times per week should she ride each in order to minimize her cost? She should ride the train for ___ trips and the bus for ___ trips in order to minimize her cost.
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It takes Caroline 1 hr to ride the train to some place and 1.5 hr to ride the bus. Every week, she...
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