Question
David and Mary left Town S for Town T at the same time. When David reached Town T in 4 hours, Mary had only completed 57 of the distance between the two towns. Mary's speed was 26 km/h slower than David. What was David's speed?
5 m

Click button first when a symbol is required. X

David and Mary left Town S for Town T at the same time. When David reached Town T in 4 hours, Mary had only completed 57 of the distance between the two towns. Mary's speed was 26 km/h slower than David. What was David's speed?