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Mathematics 17 Online
OpenStudy (anonymous):

Help????

OpenStudy (anonymous):

what expression is equivalent to \[\frac{ 4 }{ 9 } (2n-3)\] A. \[\frac{ 8 }{ 9 } n-1 \frac{ 1 }{ 3 }\] B. 2n-3 C. \[2n-\frac{ 1 }{ 3 }\] D. \[\frac{ 8 }{ 9 } n-3\]

hartnn (hartnn):

did you try ? what do u think it is?

OpenStudy (anonymous):

a or d

hartnn (hartnn):

so you only need 4/9 * 3 \(\dfrac{4}{\cancel 9^{3}}\times \cancel 3 = \dfrac{4}{3}\)

hartnn (hartnn):

and \(\dfrac{4}{3} = \dfrac{3+1}{3} = 1 \dfrac{1}{3}\)

OpenStudy (anonymous):

so c?

hartnn (hartnn):

but you were confused between a and d and 1 1/3 is there only in A).

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