A and B enter into partnership with capital as 7:9. At the end of 8 months, A withdraws. If they receive the profits in the ratio of 8:9 find how long B's capital was used?	Options
A) 5	B) 6	C) 8	D) 7	E) 4
7 * 8 : 9 * x   = 8:9 =&gt; x= 7   Answer:7
<result>D</result>
A and B enter into partnership with capital as 7:9. At the end of 8 months, A withdraws. If they receive the profits in the ratio of 8:9 find how long B's capital was used?