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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