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Mathematics 15 Online
OpenStudy (ammarah):

Given CB/BA = DE/EF, find BA.

hero (hero):

Hint: BA/CB = EF/DE

OpenStudy (ammarah):

no i need help on anothe rquestion

OpenStudy (ammarah):

not this one

OpenStudy (ammarah):

2/a-4=3/9

OpenStudy (ammarah):

You need to solve the porportion.

hero (hero):

No I do not. You need to solve it. It is not hard. All you have to do is cross multiply.

OpenStudy (ammarah):

i did.

OpenStudy (ammarah):

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