Question
At 13 30, Japheth left Town Q for Town R, driving at a speed of 66 km/h. At 16 30, Zane also left Town Q for Town R driving at a certain speed. Both of them did not change their speed throughout the journey. At 19 30, both of them passed a cinema that was 198 km away from Town R. How many minutes earlier did Zane reach Town R than Japheth?
4 m

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At 13 30, Japheth left Town Q for Town R, driving at a speed of 66 km/h. At 16 30, Zane also left Town Q for Town R driving at a certain speed. Both of them did not change their speed throughout the journey. At 19 30, both of them passed a cinema that was 198 km away from Town R. How many minutes earlier did Zane reach Town R than Japheth?