Nadia calculates the total cost of buying party ingredients using the expression: (3 × $12 + $5) × 4 − (2 × $8 − $3). What is the total cost?
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Worked Solution
Step 1: Evaluate the first bracket.
3 × $12 = $36
$36 + $5 = $41
Step 2: Multiply by 4.
$41 × 4 = $164
Step 3: Evaluate the second bracket.
2 × $8 = $16
$16 − $3 = $13
Step 4: Subtract.
$164 − $13 = $151
Correct answer: $151
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