Question
City R and City S is 810 km apart. At 09 20, Cathy, travelling at a constant speed, left City R for City S. At the same time, Daniel set off from City S for City R at a constant speed which was 7 km/h faster than Cathy. Find Daniel's speed if they met at 15 20.
3 m

Click button first when a symbol is required. X

City R and City S is 810 km apart. At 09 20, Cathy, travelling at a constant speed, left City R for City S. At the same time, Daniel set off from City S for City R at a constant speed which was 7 km/h faster than Cathy. Find Daniel's speed if they met at 15 20.