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Mathematics 7 Online
OpenStudy (anonymous):

Lyn has twice as much as Jo. Together they have $63. How much money does each have?

OpenStudy (anonymous):

I know that \[j2+j=63\]But what after that?

OpenStudy (jdoe0001):

correct... well 2j + j is "3j" so simplify from there :)

OpenStudy (anonymous):

k

OpenStudy (anonymous):

\[3J=63\]

OpenStudy (i_love_my_nieces):

Try these

OpenStudy (jdoe0001):

\(\bf 2j+j=63\implies 3j=63\implies j=\cfrac{\cancel{ 63 }}{\cancel{ 3 }}\implies j=?\)

OpenStudy (anonymous):

21 and 42

OpenStudy (jdoe0001):

yeap

OpenStudy (anonymous):

THANKS

OpenStudy (jdoe0001):

yw

OpenStudy (i_love_my_nieces):

Your welcome

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