Asked by Kinda Dorky
Shelly hopped onto her bicycle and pedaled to the park at 14 miles per hour. Then she whizzed back at 20 miles per hour. If the total trip took 3 2/5 hours how far was it to the park?
Answers
Answered by
scott
time = distance / rate
(d / 14) + (d / 20) = 3 2/5
using LCD ... (10 d / 140) + (7 d / 140) = 3 2/5
17 d = 476
(d / 14) + (d / 20) = 3 2/5
using LCD ... (10 d / 140) + (7 d / 140) = 3 2/5
17 d = 476
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