Hummingbirds Hummingbirds

12-01-2017
Mathematics

contestada

There are 3 ruby throated hummingbirds and two of another type at the feeder. The birds have a mass of 23 grams in all. What other type of hummingbird is at the feeder? Explain

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sajeedmimi sajeedmimi

14-01-2017

You have to divide by 23/3 which goes to 7. Which is 21. 2 ruby are left to feed.

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