George can do 3/5 of work in 9days.He then calls in pauls and they completed the work in 4days.How long paul would take long to complete the work?  Choose the correct choice from the following answers:	A) 32	B) 28	C) 35	D) 30	E) 22
George work is (5/3)*9= 
<gadget id="calculator">(5/3)*9</gadget>
<output>15</output>
15;   1 day work of george is 1/15 ;   remaining is 2/5th;   paul &amp; george work is  5/2*4= 
<gadget id="calculator"> 5/2*4</gadget>
<output>10</output>
10 ;   their 1 day work is 1/10;   and only paul work is (1/10)-(1/15)=30   ANSWER:30
<result>D</result>
George can do 3/5 of work in 9days.He then calls in pauls and they completed the work in 4days.How long paul would take long to complete the work?