devyniahjohnson devyniahjohnson

18-04-2017
Mathematics

contestada

A duck's mass at birth was 0.05 kilogram. The duck gained approximately 0.042 kilogram each week. After how many weeks is the duck's mass 0.890 kilogram?

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Hellooitsme Hellooitsme

18-04-2017

21 weeks, I believe.

Answer Link

18-04-2017

0.890-0.05 = .840
.840/ 0.042 = 20
20 weeks

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