If Yury has been writing programming code for 15 hours at a rate of 5 lines of code per 20 seconds, how many lines of code has he written?  Answers:
A) 126(10^2)  B) 135(10^2)  C) 12.6(10^5)  D) 1.26(10^7)  E) .126(10^9)
5 LINES IN 20 SECONDS   SO FOR 1 MINUTE ( 5 X 3 = 15 LINES )   I HOUR = 60 MINUTES   15 X 60 = 900 LINES IN AN HOUR   15 HOURS = 900 X 15 = 135(10^2)   ANSWER 135(10^2)
<result>B</result>
If Yury has been writing programming code for 15 hours at a rate of 5 lines of code per 20 seconds, how many lines of code has he written?