Problema Matemático del día de hoy///Today's Mathematical Problem of the Day/ RESOLVER UN PROBLEMA DE ECONOMÍA APLICANDO DESIGUALDADES///SOLVING AN ECONOMICS PROBLEM BY APPLYING INEQUALITIES

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(Edited)

En el post de hoy vamos a resolver un problema típico de economía, se trata del siguiente:

In today's post we are going to solve a typical economics problem, it is the following:


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Una compañía necesita saber cuanto capital debe invertir a una tasa de interés del 4% en 0,5 años para obtener un monto superior a $478125.

A company needs to know how much capital it must invest at an interest rate of 4% in 0.5 years to obtain an amount greater than $478125.

Solución:/// Solution:

Sabemos que el monto S se calcula sumando el capital C más el interés I, esto es: S=C+I, donde I es igual a capital por tasa de interés i por el tiempo t de la operación, es decir: I=C.i.t

We know that the amount S is calculated by adding the capital C plus the interest I, that is: S=C+I, where I is equal to capital times interest rate i times time t of the operation, that is: I=C.i.t

De tal forma que: Such that:

S= C + C.i.t=C(1+i.t)

Como se quiere que S sea superior a $478125, entonces planteamos la siguiente desigualdad:// Since we want S to be greater than $478125, then we state the following inequality:

C(1+i.t)>478125

Sustituimos los valores correspondientes y resolvemos la desigualdad.///We substitute the corresponding values and solve the inequality.

478125<C(1+0.04x0.5)
478125<C(1+0.02)
478125<C(1.02)


Luego: / Then: C>478125/1.02


Es decir: / That is to say: C> 468750

El resultado indica que para obtener un monto superior a $478125 a una tasa de 4% en medio año, se deberá invertir un capital superior a 468750 dólares.

The result indicates that in order to obtain an amount greater than $478125 at a rate of 4% in half a year, a capital greater than $468750 must be invested.


Buenos amigos, hasta aquí el post de hoy, espero que sea de su agrado y utilidad.///Good friends, this is the end of today's post, I hope you enjoy it and find it useful.


Nota//Note

Este post es totalmente original de la autora, la imagen se hizo con la ayuda de PowerPoint./// This post is entirely original from the author, the image was made with the help of PowerPoint

Posted with STEMGeeks



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