Originally posted by knptmug at 2005-4-20 09:47 PM: " E; {) ^) ~ P; d/ ?( mset small watermelon: x, middle watermelon y and big watermeton z0 J! a0 Q$ E6 i( ]
9 q! Y# x- i6 f; atwo simultaneous equations are set up: : o6 _9 Z( A9 D8 ]0.5x+2y+5z=50 (1)" z% u* m8 y& A+ ?1 ?
x+y+z=50 (2) % j, G8 x& D, h/ e- bEquation(1) means that the total amount paid is equal t ...