The number of trees in the city of Eldorado was 10,000 two years ago. If the number of trees have grown by 8% annually since then, what is the current number of trees in the city of Eldorado? a11650 b11006 c11600 d14240
Question
The number of trees in the city of Eldorado was 10,000 two years ago. If the number of trees have grown by 8% annually since then, what is the current number of trees in the city of Eldorado? a11650 b11006 c11600 d14240
Solution
Para resolver este problema, debemos calcular el crecimiento anual compuesto de los árboles en la ciudad de Eldorado. La fórmula para el crecimiento compuesto es:
donde:
- es la cantidad final (número de árboles actual).
- es la cantidad inicial (número de árboles hace dos años).
- es la tasa de crecimiento anual en porcentaje.
- es el número de años.
Dado que:
Sustituimos estos valores en la fórmula:
Primero, calculamos el término dentro del paréntesis:
Luego, elevamos este resultado al cuadrado:
Finalmente, multiplicamos este resultado por la cantidad inicial de árboles:
Por lo tanto, el número actual de árboles en la ciudad de Eldorado es aproximadamente 11,664. La opción más cercana a este valor es:
a) 11,650
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