Originally posted by knptmug at 2005-4-20 09:47 PM: " M. _- `& s4 q Eset small watermelon: x, middle watermelon y and big watermeton z 0 J; a1 V J: [% ~ % n4 w j4 B4 l. ]: Mtwo simultaneous equations are set up:2 }9 G8 u! c8 }* x( \& P
0.5x+2y+5z=50 (1)3 T0 Q6 R$ f% Y2 B
x+y+z=50 (2); B' [( I' r/ u2 n' e% o9 X: p$ l: s M
Equation(1) means that the total amount paid is equal t ...