A can complete the job in 5 hours and B can complete the same job in 3 hours. A works for 1 hour and then B joins and both complete the job. What fraction of the job did B complete	Choices:
A) 1/8 B) 3/10 C) 1/2 D) 5/6 E) 8/9
1/8=1/8
<result>A</result>
A can complete the job in 5 hours and B can complete the same job in 3 hours. A works for 1 hour and then B joins and both complete the job. What fraction of the job did B complete