Question
Jaslyn and Xavier started biking at 6.50 a.m. along 9-km trail. Jaslyn took 30 minutes to reach the finishing point. Xavier’s speed was 12 km/h slower than Jaslyn’s. At what time did Xavier reach the finishing point?
3 m

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Jaslyn and Xavier started biking at 6.50 a.m. along 9-km trail. Jaslyn took 30 minutes to reach the finishing point. Xavier’s speed was 12 km/h slower than Jaslyn’s. At what time did Xavier reach the finishing point?