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Mathematics

OpenStudy (anonymous):

The ages of two brothers are in the ratio two to three, but in eight years, the ratio of their ages will be three to four. What is the age of the younger brother? 16 18 24

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OpenStudy (anonymous):

Define some variables, and write some equations.

OpenStudy (anonymous):

its the first one, 16.

OpenStudy (anonymous):

That's the opposite of helpful, tan.

OpenStudy (anonymous):

just do trial and error for these small ones :P

OpenStudy (anonymous):

say, the age of younger brother is x years now so, age of older brother: 3x/2 now, according to the problem, (x+8)/(3x/2 + 8)=3/4 solve this

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OpenStudy (anonymous):

ok just sec

OpenStudy (anonymous):

so ur solving for ex

OpenStudy (anonymous):

Depends on what x is =) That's the "define your variables" part.

OpenStudy (anonymous):

oh ok

OpenStudy (anonymous):

yes, x is the age of the younger brother, as i assumed ^^

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OpenStudy (anonymous):

16

OpenStudy (anonymous):

16x arnab

OpenStudy (anonymous):

16x?

OpenStudy (anonymous):

nvm

OpenStudy (anonymous):

im dumb

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