Originally posted by knptmug at 2005-4-20 09:47 PM: ' y) i0 K: Y* |6 fset small watermelon: x, middle watermelon y and big watermeton z ' ~ y, D* Q1 L& C8 _- T- Z ( P8 E. M0 M6 A) w# btwo simultaneous equations are set up: V8 A3 i g' A& H) _6 A0.5x+2y+5z=50 (1) y$ W4 f& M1 n: b O- ~% p: l8 h, s
x+y+z=50 (2)+ E* {( v. A0 z7 R- ^* y. Q. @
Equation(1) means that the total amount paid is equal t ...