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Mathematics 13 Online
OpenStudy (anonymous):

Help easy proportion check my work?!

OpenStudy (anonymous):

The problem is find the proportion. its 11 over 14 = b over 21 WOuld the answer be b= 3 over 7?

OpenStudy (anonymous):

\[\frac{ 11 }{ 14 }=\frac{ b }{ 21 }\]\[14b=231\]\[b=16.5\] Do you understand? :o)

OpenStudy (anonymous):

I dont think this is right :/ Let me show you what I did hold on

OpenStudy (anonymous):

When solving proportions, you are suppose to cross multiply. |dw:1360350743721:dw|

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