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GuDViN [60]
3 years ago
12

Ayudenme con mi tarea

Mathematics
1 answer:
Lorico [155]3 years ago
5 0
Sabemos que la cuerda mas pequeña mide 96 metros, asi que debemos descomponer 96 en sus factores primos para encontrar los divisore de 96 y comparar si esos divisor tambien dividen a 120. En la imagen adjunta está la descomposición de 96 en sus factores primos.


Ahora que sabemos que 96=(2^{5})(3), podemos hallar que los divisores de 96 son: 96, (2^{4})(3)=48, (2^{3})(3)=24, (2^{2})(3)=12, (2)(3)=6, 2 y 3. De todos esos los mas grandes son 96, 48 y 24. Asi que vamos encontrar por cual de ellos es divisible 120:
\frac{120}{96} =1.25 el resultado de la division no es un entero, no nos sirve.
\frac{120}{48} =2.5 el resultado de la division no es un entero, no nos sirve.
\frac{120}{24} =5 este es nuestro número!

Ahora sabemos que Andrés debe cortar ambas cuerdas en trozos de 24 metros para que los trozos sean iguales y tengan el maximo largo posible. Ahora para hallar cuantos trozos de cuerda serían vamos a dividir cada una de las cuerdas por el largo de uno de los trozos:
Para la primera cuerda:
\frac{120}{24} =5
Para la segunda cuerda:
\frac{96}{24} =4

Ahora solo tenemos que sumar los trozos para hallar el total de trozos:
5+4=9

Podemos concluir que Andrés debe cortar ambas cuerdas en 9 trozos de 24 metros para que los trozos sean iguales y tengan el maximo largo posible.

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