If a: b :: 3 : 7, then what is (5a+2b): (a-2b)?	Choose the correct choice from the following answers:  A) 57:11  B) -57:11  C) 11 : 10  D) -29 : 11  E) -1 : 10
a/b= 3/7   -29 : 11ividing numerator &amp; denominator of ' (5a+6b)/(a-2b) 'by b,   [5(a/b)+2]/[(a/b)-2]= [5*(3/7)+2]/[(3/7)-2]= -29/11   ANSWER:-29 : 11
<result>D</result>
If a: b :: 3 : 7, then what is (5a+2b): (a-2b)?