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Naddika [18.5K]
2 years ago
13

The three seventh grade classes at Champion Middle School collected the most boxtops for a school fundraiser, and so they won a

$600 prize to share among them. Ms. Winfrey’s class collected 3,760 box tops, Mrs.Collins collected 2,301, and Ms.Hood’s class collected 1,855. How should they divide the money so that each class gets the same fraction of the prize money as the fraction of the box tops that they collected?? HELP ASAP!
Mathematics
1 answer:
Vlad1618 [11]2 years ago
8 0

Answer:

Ms. Winfrey: $300

Mrs. Collins: $180

Ms. Hood: $120

Step-by-step explanation:

Given the amount of box tops that each class collected, you need to first find the total amount:

Ms. Winfrey:  3,760

Mrs. Collins: 2,301

Ms. Hood:  <u>1,855</u>

Total:  7,916

To find the approximate ratio, or fraction that each class sold, you can take the individual class amount divided by the total collected by all three classes:

Ms. Winfrey:  3,760/7,916 ≈ 0.5

Mrs. Collins: 2,301/7,916 ≈ 0.3

Ms. Hood:  1,855/7,916 ≈ 0.2

Take each of these rates and multiply by the amount of prize money:

0.5 * $600 = $300

0.3 * $600 = $180

0.2 * $600 = $120

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<h3>¿Cómo calcular el esfuerzo aplicado sobre el cable?</h3>

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Asumiendo una distribución uniforme de la fuerza sobre toda la superficie transversal de la cuerda, tenemos que el esfuerzo axial se calcula mediante la siguiente expresión:

σ = W / (π · D² / 4)

Donde:

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Si sabemos que W = 25 N y D = 0.02 m, entonces el esfuerzo axial aplicado a la cuerda es:

σ = 25 N / [π · (0.02 m)² / 4]

σ ≈ 79577.472 Pa

<h3>Observación</h3>

La falta de problemas verificados en español sobre esfuerzos axiales obliga a buscar uno equivalente en inglés.

Para aprender más sobre esfuerzos axiales: brainly.com/question/13683145

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