Question
Risa and Lee started biking at 7.45 a.m. along 10-km trail. Risa took 30 minutes to reach the finishing point. Lee’s speed was 14 km/h slower than Risa’s. At what time did Lee reach the finishing point?
3 m

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Risa and Lee started biking at 7.45 a.m. along 10-km trail. Risa took 30 minutes to reach the finishing point. Lee’s speed was 14 km/h slower than Risa’s. At what time did Lee reach the finishing point?