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12 July, 08:19

A bird leaves its nest and travels 20 miles per hour downwind for xx hours. On the return trip, the bird travels 4 miles per hour slower and has 6 miles left after xx hours.

a. What is the distance of the entire trip?

b. how long does the entire trip take?

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Answers (1)
  1. 12 July, 08:31
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    20 = d/t

    16 = (d-6) / t

    d = 20t

    16 = (20t-6) / t

    16 = 20-6/t

    -4 = - 6/t

    t = 6/4 = 1.5 hours

    d = 20*1.5=30 miles

    a 30+30=60

    b 1.5+1.5+6/16 = 3 3/8
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