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Mathematics 8 Online
OpenStudy (anonymous):

I dont agree on how they do this, is it right?

OpenStudy (anonymous):

Shouldn't you just like r-8 = j r + j = 3 Then solve the system?

OpenStudy (anonymous):

yes or you could just split the time it takes both of them into 4th's or halves depending on how fast one is compared to the other.

OpenStudy (anonymous):

then you would also have your answer.

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