Originally posted by knptmug at 2005-4-20 09:47 PM: & w9 Y, f$ Q; @set small watermelon: x, middle watermelon y and big watermeton z 6 S5 T% a( ?- U6 I5 X2 l 6 ~# n) d' J/ A3 Rtwo simultaneous equations are set up: # H2 o1 X T2 G: v5 Y# Z# L6 }. c0.5x+2y+5z=50 (1) % U' P, G- H. A) Ox+y+z=50 (2)) y( k/ c; U: C2 |+ F2 g2 X
Equation(1) means that the total amount paid is equal t ...