Dne boat travelling 15 mph goes 4? miles downstream in the same amount of time that another boat going 2D mph goes 40 miles upstream. How fast is the...

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Dne boat travelling 15 mph goes 4? miles downstream in the same amount of time that anotherboat going 2D mph goes 40 miles upstream. How fast is the current in mph? [Round your answer to the nearest tenth of miles per hour and enter onlyr the numerical part] Question 5 1 pts Ev driving 3 mph faster than Bob. John can make a 23G mile trip in one half hour less. How fast does Bobdrive on the trip? Round your answer to the nearest mile per hour. Enter onlyr the numerical value in the answer hos.