Question
Jane and Justin started biking at 7.50 a.m. along 9-km trail. Jane took 30 minutes to reach the finishing point. Justin’s speed was 12 km/h slower than Jane’s. At what time did Justin reach the finishing point?
3 m

Click button first when a symbol is required. X

Jane and Justin started biking at 7.50 a.m. along 9-km trail. Jane took 30 minutes to reach the finishing point. Justin’s speed was 12 km/h slower than Jane’s. At what time did Justin reach the finishing point?