Question
Tina and Luis started biking at 7.40 a.m. along 10-km trail. Tina took 30 minutes to reach the finishing point. Luis’s speed was 14 km/h slower than Tina’s. At what time did Luis reach the finishing point?
3 m

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Tina and Luis started biking at 7.40 a.m. along 10-km trail. Tina took 30 minutes to reach the finishing point. Luis’s speed was 14 km/h slower than Tina’s. At what time did Luis reach the finishing point?