At the end of year X, automobile installment credit accounted for 35% of all outstanding consumer installment credit. At that time automobile finance companies extended $40 billion of credit, or 1/3 of the automobile installment credit. How many billion dollars of consumer installment credit was outstanding at that time?  Choose the correct choice from the following answers
A) 120
B) 300
C) 401.36
D) 350.15
E) 342.86
System of Equations   a = (35/100) c   (1/3) a = 40 --&gt; a = 120   Substitution   120 = (35/100) c   c = (100/35) 120   Answer   - 120/35 * 100   The Correct Answer is E.   - 342.86
<result>E</result>
At the end of year X, automobile installment credit accounted for 35% of all outstanding consumer installment credit. At that time automobile finance companies extended $40 billion of credit, or 1/3 of the automobile installment credit. How many billion dollars of consumer installment credit was outstanding at that time?