16-03-2017
Mathematics

contestada

Ben is 39 years old and Ishaan is 3 years old. How many years will it take until Ben is only 4 times as old as Ishaan?

Respuesta :

calculista calculista

28-01-2019

Answer:

[tex]9\ years[/tex]

Step-by-step explanation:

Let

x------> the number of years

we know that

[tex](39+x)=4(3+x)[/tex]

Solve for x

[tex]39+x=12+4x[/tex]

[tex]4x-x=39-12[/tex]

[tex]3x=27[/tex]

[tex]x=9\ years[/tex]

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