If 1.5 a = 0.03 b, then the value of (b – a)/ (b + a) is	Choose the correct choice.
A) 490/51 B) 49/51 C) 4.9/51 D) 4.99/51 E) None of these
Explanation:   a/b = 0.03/1.5 = 3/150 = 1/50   (b – a)/(b + a)   = (1 – a/b)/((1 + a/b)   = (1 – 1/50)/ (1 + 1/50)   = 49/51   ANSWER 49/51
<result>B</result>
If 1.5 a = 0.03 b, then the value of (b – a)/ (b + a) is