Asked by Jon
Chuck and Dana agree to meet in Chicago for the weekend. Chuck travels 236 miles in the same time that Dana travels 224 miles. If Chuck’s rate of travel is 3 mph more than Dana’s, and they travel the same length of time, at what speed does Chuck travel?
Answers
Answered by
Dr. Jane
Remember that distance = rate x time
Chuck: his rate is 3 mph more than Dana
236 = (r+3)t
Dana
224 = rt Since t is the same for both..
236/(r+3) = t
224/4 = t
since the times are the same, set both fractions equal to each other and solve by cross multiplying.
Chuck: his rate is 3 mph more than Dana
236 = (r+3)t
Dana
224 = rt Since t is the same for both..
236/(r+3) = t
224/4 = t
since the times are the same, set both fractions equal to each other and solve by cross multiplying.
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