Question
City T and City U is 800 km apart. At 09 45, Betty, travelling at a constant speed, left City T for City U. At the same time, Justin set off from City U for City T at a constant speed which was 12 km/h faster than Betty. Find Justin's speed if they met at 14 45.
3 m

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City T and City U is 800 km apart. At 09 45, Betty, travelling at a constant speed, left City T for City U. At the same time, Justin set off from City U for City T at a constant speed which was 12 km/h faster than Betty. Find Justin's speed if they met at 14 45.