A duck swam from one end of a pond to another end,and back again ,covering a distance of 60m altogether.it completed the whole distance in 30 seconds. It took 1
Matematika
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Pertanyaan
A duck swam from one end of a pond to another end,and back again ,covering a distance of 60m altogether.it completed the whole distance in 30 seconds. It took 10 seconds to swim the first part of the distance. What was its speed for the second part of the distance?
1 Jawaban
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1. Jawaban farishauzan
40+20=60second
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