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15 January, 13:08

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?

Answers (1)
  1. C
    15 January, 16:02
    0
    2 hours

    Step-by-step explanation:

    First we need to know the distance Liam travelled using the bike.

    If his speed was 8 mph and he travelled 3 hours, the distance travelled by bike is:

    d = 8 * 3 = 24 miles

    The total distance is 30 miles, so the remaining is:

    30 - 24 = 6 miles

    He travelled 6 miles with the speed of 3 mph, so the time walking is:

    time = 6 / 3 = 2 hours
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