Originally posted by knptmug at 2005-4-20 09:47 PM: 0 ]! p- ~& u, E- A3 K1 g4 Bset small watermelon: x, middle watermelon y and big watermeton z " u4 S0 d g$ w& V: l 7 y+ I3 O0 H; Y d' E- Qtwo simultaneous equations are set up: 8 H k" n! I# t1 k0 w0.5x+2y+5z=50 (1)$ q2 @" m1 E/ y1 W2 R
x+y+z=50 (2) ' N7 ?: t2 Y- ~: }0 }9 R1 jEquation(1) means that the total amount paid is equal t ...
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:lol::lol:" _/ o, @% v" A, h# D
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