Question
Abi and Mark started biking at 6.45 a.m. along 10-km trail. Abi took 30 minutes to reach the finishing point. Mark’s speed was 14 km/h slower than Abi’s. At what time did Mark reach the finishing point?
3 m

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Abi and Mark started biking at 6.45 a.m. along 10-km trail. Abi took 30 minutes to reach the finishing point. Mark’s speed was 14 km/h slower than Abi’s. At what time did Mark reach the finishing point?