Rye bread contains 3\250 fat, 13\25 protein, and 9\20 carbohydrates. Butter contains 4\5 fat, 1\250 protein, and 1\200 carbohydrates. How much fat, protein, and carbohydrates are in 5kg of bread, and how much is there in 500g of butter?

Rye bread contains-------------- > 3\250 fat----------- >*(2/2)=6/500                                                  13\25 protein------- >*(20/20)=260/500                                                  9\20 carbohydrates------ > *(25/25)=225/500  Butter contains----      ---------- > 4\5  fat----------- >*(100/100)=400/500                                                  1\250 protein------- >*(2/2)=2/500                                                  1\200 carbohydrates------ > *(25/25)=25/500   The answers are  1)     5 kg of Rye bread----------fat-------------- >5*(6/500)=0.06 kg                                                 protein -------------- >5*(260/500)=2.60 kg                                           carbohydrates -------------- >5*(225/500)=2.25 kg    2)     500 g of butter ----------------fat-------------- >500*(400/500)=400 g                                                    protein -------------- >500*(2/500)=2 g                                            carbohydrates -------------- >500*(25/500)=25 g