Amir calculates scores for a National Day activity using: (5 + 3) × (12 − 4) − 2 × (6 + 1). What is his final score?
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Worked Solution
Step 1: Evaluate the first two brackets.
(5 + 3) = 8
(12 − 4) = 8
Step 2: Multiply.
8 × 8 = 64
Step 3: Evaluate the third bracket.
(6 + 1) = 7
Step 4: Multiply by 2.
2 × 7 = 14
Step 5: Subtract.
64 − 14 = 50
Correct answer: 50
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