it cost a colege 0.70 rs a copy to produce for the homecome football game..if 15000rs are recived for advertisement, homw many copies at .50rs a copy must b sold to make a profit 8000rs/-?  Select the correct option.
A) 320000  B) 340000  C) 250000  D) 350000  E) 370000
If x copies are to be made, then   0.5x + 15000 = 0.7x+8000   0.2x = 7000   x= 100*7000/2= 
<gadget id="calculator">100*7000/2</gadget>
<output>350_000</output>
350000   ANSWER:350000
<result>D</result>
it cost a colege 0.70 rs a copy to produce for the homecome football game..if 15000rs are recived for advertisement, homw many copies at .50rs a copy must b sold to make a profit 8000rs/-?