Advanced Mathematics Primary 6 Algebra

Each bag costs $3n. Ahmad buys 2 bags and pays $12 in total. What is the value of n?

A 2
B 3
C 4
D 6
Show Worked Solution

Worked Solution

Step 1: Write the cost of 1 bag as $3n. Step 2: Write the total cost of 2 bags as 2 × $3n = $6n. Step 3: Set up the equation: 6n = 12. Step 4: Solve for n: n = 12 ÷ 6 = 2. Answer: n = 2.

Correct answer: 2

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