The task is to generate the correct answer for a given math problem.

[Q]: Problem: if | 5 x - 20 | = 100 , then find the sum of the values of x ?
[A]: 8


[Q]: Problem: a lent rs . 5000 to b for 2 years and rs . 3000 to c for 4 years on simple interest at the same rate of interest and received rs . 1540 in all from both of them as interest . the rate of interest per annum is ?
[A]: 7 %


[Q]: Problem: 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 ?
[A]:
342.8