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Mathematics 9 Online
OpenStudy (dinmosiaren):

@cody_123 @kagıtucak

OpenStudy (dinmosiaren):

OpenStudy (anonymous):

cross multiply x=9*21 /7 =27

OpenStudy (dinmosiaren):

What is 80% of 30? A. 2400 B. 24 C. 0.24 D. 240 I think B

OpenStudy (kagıtucak):

21 is 3 times of 7 so x must be three times of 9 then x=27

OpenStudy (anonymous):

80/100 *30=4/5*30=24

OpenStudy (kagıtucak):

30.80=2400 2400/100=24

OpenStudy (dinmosiaren):

Thanks

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