Jorge tiene 5 veces la edad de su hijo dentro de 15 años, tendrá únicamente el doble de la edad de su hijo ¿cuantos años tendrá su hijo dentro de 15 años ?

His son will be 20 within 15 years

Step-by-step explanation:

The question in English is

Jorge is 5 times his son's age, within 15 years, he will only be twice his son's age. How many years will his son be within 15 years?

Let

x ----> Jorge's age now

y ----> His son's age now

we know that

-----> equation A

-----> equation B

Solve the system by substitution

Substitute equation A in equation B

Solve for y

Find the value of x

---->

so

Jorge's age now is 25 years

His son's age now is 5 years

therefore

His son will be 20 within 15 years

range is infinite on both x and y axis positive and negative

step-by-step explanation:

the answer is d

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