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I have drop in a file for u to see it.
25/52 25 is the numerator
52 is the denominator
A) 5/4
b)75:60 525:350. It will take 525 min. to read the entire book
c) 8 hours and 75 min.
XZ ~ UW
UV ~ XY
VW ~ YZ
Take any corresponding side and the ratio of it is your answer.
Example :
XZ / UW = 14/ 2 = 7
XY / UV = 21 / 3 = 7
YZ / VW = 28 / 4 = 7
Therefore, your answer is B. 7