Question

pedro tiene 7/3 de la edad de rene. Entre las dos edades suman 30 años. ¿Cuántos años tiene cada uno?

Answer 1

Respuesta:

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Explicación paso a paso:

Answer 2

Respuesta:

Rene 9 años, pedro 21

Explicación paso a paso:

x+7/3x=30

10/3X=30

x=30 entre 10/3

x=9

comprobar:

x+7/3x=30

9+7/3(9)=30

9+21=30

30=30