Answer:
54
Explanation:
120 times 45 equals 5400 divided by 100 equals $54
$66
→ Work out 45% as a multiplier
100 - 45 = 55 ⇒ 55 ÷ 100 = 0.55
→ Multiply the multiplier by the price
0.55 × 120 = $66
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