If x/y = 3 and (2a - x)/(5b - y) = 3, then the value of a/b is?
Choose the correct choice from the following answers:  A) 15/2  B) -2  C) 1  D) 2  E) 3
x = 3y   2a - 3y = 3(5b - y)   2a - 3y = 15b - 3y   2a = 15b   a/b = 15/2   15/2nswer: 15/2
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If x/y = 3 and (2a - x)/(5b - y) = 3, then the value of a/b is?