Alfredo tiene 36 cromos más que Iván, y si comprará 10 más , tendría el triple . ¿Cuantos cromos tiene cada uno?
1 answer:
Respuesta:
Alfredo = 59 pegatinas
Ivan = 23 pegatinas
Explicación paso a paso:
Dejar :
Pegatinas de Alfred = a
Pegatinas de Ivan = b
a = b + 36 - - - (1)
a + 10 = 3b- - - (11)
De 1)
a = b + 36
Ponga a = b + 36 en (11)
b + 36 + 10 = 3b
b + 46 = 3b
46 = 3b - b
46 = 2b
b = 23
a = b + 36
a = 23 + 36
a = 59
Alfredo = 59 pegatinas
Ivan = 23 pegatinas
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