In a parallelogram\[ABCD\], if \[AB=2x+5,\] \[CD=y+1,\] \[AD=y+5\] and\[BC=3x-4\], what is the ratio of \[AB\] and\[BC\]?

In a parallelogram\[ABCD\], if \[AB=2x+5,\] \[CD=y+1,\] \[AD=y+5\] and

1.	In a parallelogram\[ABCD\], if \[AB=2x+5,\] \[CD=y+1,\] \[AD=y+5\] and\[BC=3x-4\], what is the ratio of \[AB\] and\[BC\]?
A.	\[71:21\]
B.	\[12:11\]
C.	\[31:35\]
D.	\[4:7\]
Answer» D. \[4:7\]

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In a parallelogram\[ABCD\], if \[AB=2x+5,\] \[CD=y+1,\] \[AD=y+5\] and\[BC=3x-4\], what is the ratio of \[AB\] and\[BC\]?

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