Question
City K and City L is 714 km apart. At 06 40, Usha, travelling at a constant speed, left City K for City L. At the same time, Albert set off from City L for City K at a constant speed which was 15 km/h faster than Usha. Find Albert's speed if they met at 12 40.
3 m

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City K and City L is 714 km apart. At 06 40, Usha, travelling at a constant speed, left City K for City L. At the same time, Albert set off from City L for City K at a constant speed which was 15 km/h faster than Usha. Find Albert's speed if they met at 12 40.