three men invested sum. and their ratio is 5:7:6. profit is 7200.then b's share
Select the correct option:
A) 2000
B) 2100
C) 2800
D) 2300
E) 2400
b's share =7/18*7200= 
<gadget id="calculator">7/18*7200</gadget>
<output>2_800</output>
2800   ANSWER:2800
<result>C</result>
three men invested sum. and their ratio is 5:7:6. profit is 7200.then b's share