The mass ratio of nuts, chocolate chips and raisins in a fruit bar is 3 : 1 : 4.
•(a) Calculate the percentage of the fruit bar that is nuts.
•(b) Calculate the mass of chocolate chips in a 50 g fruit bar.
• (c) Nuts cost $5 per kg, chocolate chips cost $7.80 per kg and raisins cost $4.50 per kg. Calculate the selling price of each 50 g fruit bar, correct to the nearest cent, if the manufacturer wants to earn 35 cents from each bar.
•(a) Calculate the percentage of the fruit bar that is nuts.
•(b) Calculate the mass of chocolate chips in a 50 g fruit bar.
• (c) Nuts cost $5 per kg, chocolate chips cost $7.80 per kg and raisins cost $4.50 per kg. Calculate the selling price of each 50 g fruit bar, correct to the nearest cent, if the manufacturer wants to earn 35 cents from each bar.
Jawaban:
a) Percentage of Nuts = 37,5 %
b) Mass of Chocolate Chips = 6,25 grams
c) Selling price = 60,5 cents