F freakinout Member Joined Oct 11, 2005 Messages 33 Oct 23, 2005 #1 im having trouble with a question from the hsc of 2002 question 25) a) ii)... im ranked first in my school so if u help me ill help u ..lol... bribing works!
im having trouble with a question from the hsc of 2002 question 25) a) ii)... im ranked first in my school so if u help me ill help u ..lol... bribing works!
D dive246 New Member Joined Aug 29, 2005 Messages 18 Oct 24, 2005 #2 AE/AC = ED/CB ie. d/200 = 20/x then cross multiple therefore d=4000/x or dx=4000