Originally posted by knptmug at 2005-4-20 09:47 PM: + U0 y4 D: h( U4 a! Pset small watermelon: x, middle watermelon y and big watermeton z 7 t$ G% \% \$ r3 m: {+ k( r( H* r6 i' e2 v# o
two simultaneous equations are set up:- c5 O- ]- A# x4 w9 g" b, E5 {
0.5x+2y+5z=50 (1) # Z2 c8 T1 ^% |" r* ?5 [( S; ]2 Xx+y+z=50 (2) g) H y, j3 X' ^. g3 U
Equation(1) means that the total amount paid is equal t ...