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horsena [70]
3 years ago
8

If Jim is x years old now, and his sister is twice as old, how old was his sister 7 years ago?

Mathematics
2 answers:
Gnoma [55]3 years ago
8 0

Answer: 2x-7

Because the other person is wrong

Inga [223]3 years ago
4 0

Answer:

14

Step-by-step explanation:

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Calcula la altura de Juan sabiendo que proyecta una sombra de 2 metros en el momento en que Pedro que mide 1,80 metros proyecta
den301095 [7]

Answer:

La altura de Juan por lo tanto es de 1.6 metros de altura

Step-by-step explanation:

Segun los datos que se encuentran en el ejercicio, tenemos lo siguiente:

Juan proyecta una sombra de 2 metros en el momento en que Pedro que mide 1,80.

Supongamos que x es la altura de juan que tenemos que calcular.

La altura de Juan por lo tanto la podemos calcular de la siguiente manera con la siguiente formula:

x= (1.8 metros/2.25 metros)*2

x=1.6 metros

La altura de Juan por lo tanto es de 1.6 metros de altura

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Multiplication before dividion
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