Question
At 12 p.m., a car left City S for City T at an average speed of 90 km/h while a bus left City T for City S at an average speed of 60 km/h. At 4.50 p.m., the two vehicles were 30 km apart. Find the distance between City S and City T.
3 m

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At 12 p.m., a car left City S for City T at an average speed of 90 km/h while a bus left City T for City S at an average speed of 60 km/h. At 4.50 p.m., the two vehicles were 30 km apart. Find the distance between City S and City T.