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Necesito resolver estas 2 preguntas:
If the average weight of a feather is 0.0082 grams and a regular chicken has 7000 feathers. How much weight in feathers does a regular chicken have?

Approximately 490 000 cases of coronavirus have been confirmed in Guatemala. If in the United States are 40 000 000 cases confirmed. By how many times, do coronavirus cases from the U.S surpass Guatemala’s?

Sagot :

Using proportions, it is found that:

  • A regular chicken has a weight of 57.4 grams.
  • Coronavirus cases from US surpasses Guatemala by 81.63 times.

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  • These questions are solved by proportions, using rules of three.

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  • One feather has 0.0082 grams.
  • How many grams are there in 7000 feathers?

1 feather - 0.0082 grams

7000 feathers - x grams

Applying cross multiplication:

[tex]x = 0.0082 \times 7000 = 57.4[/tex]

A regular chicken has a weight of 57.4 grams.

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  • Considering the number of cases in Guatemala equivalent to 1, we find the ratio for the number of cases in the US.

490 000 - 1

40 000 000 - x

Applying cross multiplication:

[tex]490000x = 40000000[/tex]

[tex]x = \frac{40000000}{490000}[/tex]

[tex]x = 81.63[/tex]

Coronavirus cases from US surpasses Guatemala by 81.63 times.

A similar problem is given at https://brainly.com/question/23536327

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