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disa [49]
3 years ago
15

Una empresa exportadora de frutas vende dos variedades de frambuesas: estándar y de lujo. Una caja de freses estándar se vende e

n US$7 y una de lujo en US$10. Si la empresa vende 135 cajas de frambuesas por un total de US$1.100, ¿Cuántas cajas de cada tipo vendió?
Mathematics
1 answer:
aksik [14]3 years ago
6 0

Answer:

83.33 cajas estándar de frambuesas y 51.67 cajas de lujo de frambuesas.

Step-by-step explanation:

Representemos el número de cajas como

A = caja estándar de frambuesas

B = caja de lujo de frambuesas

Caja estándar de frambuesas = $ 7 Caja de lujo de frambuesas = 10.

A + B = 135 ......... Ecuación 1

B = 135 - A

7A + 10B = 1100 ........... Ecuación 2

Sustituir

135 - A para B en la ecuación 2

7A + 10 (135 - A) = 1100

7A + 1350 -10A = 1100

7A - 10A = 1100-1350

-3A = - 250

A = 250/3

A = 83.33 cajas

Sustituye 83.33 por A en la ecuación 1

A + B = 135

83,33 + B = 135

B = 135 - 83.33 = 51.67 cajas

Por lo tanto, vendió,

83.33 cajas estándar de frambuesas y 51.67 cajas de lujo de frambuesas.

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nikdorinn [45]
Simplify both sides of the equation
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Combine like terms
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Flip the equation
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Subtract both sides by 4
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S=-2.75 will be the answer hope it helps
6 0
3 years ago
Joe is 5 years older than Sydney. The sum of their ages is 45. What is Sydney’s age?
sweet-ann [11.9K]

Answer:

20 years old

Step-by-step explanation:

Joe = J

Sydney = S

J = 5 + S

J + S = 45

Substitute

5 + S + S = 45

Add

5 + 2S = 45

Subtract 5 from both sides of the equation

2S = 40

Divide both sides of the equation by 2

S = 20

Sydney is 20 years old

Hope this helps :)

8 0
3 years ago
How can the order of operations be used to simplify expressions? Create your own unique example showing order of operations.
Lostsunrise [7]
10(13+12)=x thats a good one
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4 years ago
What is the common difference of the sequence 20, 17, 14, 11, 8.... ?
Vinvika [58]

Answer:

-3

Step-by-step explanation:

every sequence goes down by -3

8 0
4 years ago
Read 2 more answers
Mark earns $300 per month plus an additional 2% on all of his sales. Last month he sold $59,000. What was Mark's income for the
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Answer:

59,000 times 0.02= $1,180 commission plus $300 = $1480

In order to get your answer you have to change the percent into a decimal and it’s commission so you have to add.

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