Mathematics, 21.04.2020 04:48 reneebrown017

Liam biked for 3 hours at a speed of 8 mph and then walked the remaining part of his way at a speed of 3 mph. If the total distance he covered was 30 miles, how much time did he walk?

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Liam biked for 3 hours at a speed of 8 mph and then walked the remaining part of his way at a speed...