% Baking cakes for the school fete (with data file) int: flour; %no. grams of flour available int: banana; %no. of bananas available int: sugar; %no. grams of sugar available int: butter; %no. grams of butter available int: cocoa; %no. grams of cocoa available constraint assert(flour >= 0,"Invalid datafile: " ++ "Amount of flour should be non-negative"); constraint assert(banana >= 0,"Invalid datafile: " ++ "Amount of banana should be non-negative"); constraint assert(sugar >= 0,"Invalid datafile: " ++ "Amount of sugar should be non-negative"); constraint assert(butter >= 0,"Invalid datafile: " ++ "Amount of butter should be non-negative"); constraint assert(cocoa >= 0,"Invalid datafile: " ++ "Amount of cocoa should be non-negative"); var 0..100: b; % no. of banana cakes var 0..100: c; % no. of chocolate cakes % flour constraint 250*b + 200*c <= flour; % bananas constraint 2*b <= banana; % sugar constraint 75*b + 150*c <= sugar; % butter constraint 100*b + 150*c <= butter; % cocoa constraint 75*c <= cocoa; % maximize our profit solve maximize 400*b + 450*c; output ["no. of banana cakes = \(b)\n", "no. of chocolate cakes = \(c)\n"];