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sylviaangelinn
04.12.2020 •
Mathematics
¿Cuál es la edad de Jimena? Si su papá tiene 27 años más que ella y su mamá tiene 34 años . Además se sabe que la suma de las tres edades es igual a la diferencia de 10 veces la edad de Jimena, menos 3 años.
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Ответ:
Jimena tiene 8 años de edad.
Step-by-step explanation:
Sean
,
,
las edades de Jimena, su padre y su madre. A continuación, traducimos cada oración relevante del enunciado a expresiones matemáticas:
(i) Si su papá tiene 27 años más que Jimena:
(ii) Su mamá tiene 34 años:
(iii) La suma de las tres edades es igual a la diferencia de 10 veces la edad de Jimena, menos 3 años:
Al aplicar (1) y (2) en (3), tenemos la siguiente ecuación resultante:
Jimena tiene 8 años de edad.
Ответ:
X = 6
Step-by-step explanation:
Since