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borishaifa [10]
3 years ago
11

Sandra es bióloga y se dedica a estudiar los árboles, por eso anualmente mide todos los árboles del jardín botánico. El año pasa

do el pino medía 7,35 metros. Sandra dice que desde entonces ha crecido 15 centímetros. a.- ¿Cuánto ha crecido el pino desde entonces? Expresa el resultado en metros b.- ¿Cuánto mide el pino ahora? Expresa el resultado en centímetros.
Social Studies
1 answer:
Sati [7]3 years ago
7 0

Answer:

a. El pino ha crecido 0,15 metros.

b. El pino mide 750 centímetros.

Explanation:

En el punto a hay que convertir los 15 centímetros que crece el pino a metros. Para eso, podemos utilizar una regla de tres simple tomando como valor de referencia que 1 metro equivale a 100 cm.

15cm x1m = 0,15 m

100cm

Como se puede ver, se <u>divide </u>el valor de los centímetros <u>entre 100</u> para obtener el resultado.

En el punto b debemos sumarle a los 7, 35 metros los 0,15 metros que creció este año y convertirlo a centímetros.

7,35m + 0,15m = 7,50 m

Para convertir los 7,50m a centímetros tenemos que hacer el proceso inverso al que hicimos en el punto a, es decir, que debemos <u>multiplicar por 100</u>.

7,50m x 100 = 750 cm

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