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sukhopar [10]
2 years ago
15

) Una compañía invierte $15,000 al 8% y $22,000 al 9%. ¿A qué tasa debe invertir

Mathematics
1 answer:
Anna35 [415]2 years ago
7 0

Usando proporciones, hay que los $12,000 restantes deben ser investidos a una tasa de 11%.

<h3>¿Qué es una proporción?</h3>

Una proporción es una fracción de la cantidad total.

De las dos primeras inversiones, el ingreso es dado por:

0.08 x 15000 = $1,200.

0.09 x 22000 = $1,980

T = 1200 + 1980 = $3,180

Por la tercera inversión, busca-se un retorno de 4500 - 3180 = $1,320.

De esa forma, la tasa x es la seguiente:

12000x = 1320

x = 1320/12000

x = 0.11.

Los $12,000 restantes deben ser investidos a una tasa de 11%.

Puede-se aprender mas a cerca de proporciones es brainly.com/question/26425852

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4 years ago
Kelly skated 4 laps in 86 seconds. Which of the following is an equivalent rate of skating?
ikadub [295]

Answer:

D: 10 laps in 215 seconds

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B

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5 0
3 years ago
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Jalen made $533.75 while working at his job. He makes $15.25 an hour, how many hours did he work to make that amount of money?
mixer [17]

Answer:

35 hours

Step-by-step explanation:

Typically, people get their paycheck after 2 weeks.

Let say he worked 8 hours a day, a typical amount of hours for the average human who has a occupation.

Multiply the amount of hours by the amount payed every hour.

So 15.25 x 8 is 122

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Add 8 hours, which would now be 16 hours worked.

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Add another 8 hours of work time which would now be 24 hours (1 full day)

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(getting closer to the amount she earned)

So if we add another hour

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3 years ago
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anastassius [24]
63 I think, you would subtract
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3 years ago
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