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Colt1911 [192]
3 years ago
12

El Papa de blanca destino la tercera parte de su salario quincenal para comprar alimentos y la mitad para pagos diversos si le s

obran 500 ¿que cantidad de su sueldo gasta en alimentos?​
Mathematics
1 answer:
kherson [118]3 years ago
6 0

Answer:

El papá de Blanca gasta $1,000 de su sueldo en alimentos.

Step-by-step explanation:

En primer lugar, se designa a la letra S como la cantidad total del salario de la persona.

Sabiendo que el papá de Blanca destina la tercera parte de su salario para comprar alimentos, y que la tercera parte de un número es la división de ese número entre tres, entonces se tiene la expresión:

Alimentos: A=\frac{S}{3} =\frac{1}{3} *S

Ahora sabes que el papá de Blanca destina la mitad de su salario en diversos gastos, y siendo la mitad de un número es la división de ese número entre dos, se obtiene la expresión:

Gastos: G=\frac{S}{2} =\frac{1}{2} S

El papá de Blanca gasta su salario en alimentos y en otros gastos y le sobran $ 500. Esto es expresado mediante:

Alimentos + Gastos + 500 = Salario

Entonces:

A + G + 500 = S

Sustituyendo A y G:

\frac{1}{3} S+\frac{1}{2} S+500=S

Resolviendo:

\frac{5}{6} S+500=S

500=S- \frac{5}{6} S

500= \frac{1}{6} S

\frac{500}{\frac{1}{6} } =S

3,000= S

Entonces el salario del papá de Blanca es de $ 3,000

Reemplazando este valor para el cálculo de su gasto en alimentos es:

A=\frac{1}{3} *S= \frac{1}{3}* 3,000

A= 1,000

<em><u>El papá de Blanca gasta $1,000 de su sueldo en alimentos.</u></em>

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