Question

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?

Answer 1

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