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Mathematics 15 Online
OpenStudy (anonymous):

Keiko bicycles 6km/h faster than dennis, in the same time it takes dennis to bicycle 60km, keiko can bicycle 78km. how fast does each bicyclist travel?

OpenStudy (anonymous):

dennis 20km/h. keiko 16 km/h. diff. of 18 km in dist. means 3 hrs. got time and dist can get speed

OpenStudy (anonymous):

my medal

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