Mathematics, 23.01.2020 10:31, daltonduh6218

Distance traveled varies jointly as rate and time. if fred travels 135 miles in 3 hours at a rate of 45 mi/hr, find the rate at which he travels to cover a distance of 189 miles in 3.5 hours. can someone kind of lay out what i should plug in to solve this?

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Distance traveled varies jointly as rate and time. if fred travels 135 miles in 3 hours at a rate of...