Standard Mathematics Primary 5 Decimals

A piece of cheese weighs 0.875 kg. It costs $26.25. A second cheese, weighing 1.6 kg, costs $44. Which cheese is cheaper per kilogram, and by how much?

A Second, by $5.00/kg
B First, by $2.50/kg
C Second, by $2.50/kg
D First, by $5.00/kg
Show Worked Solution

Worked Solution

Step 1: Price per kg of first = $26.25 ÷ 0.875 = $30/kg. Step 2: Price per kg of second = $44 ÷ 1.6 = $27.50/kg. Step 3: Second is cheaper by $30 − $27.50 = $2.50 per kg. Answer: Second, by $2.50/kg

Correct answer: Second, by $2.50/kg

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