Question 6 • Math 7 B (M12 25/26 S2)
The original volume is 5 × 7 × 12 = 420 cm³. Doubling each dimension gives a volume of 10 × 14 × 24 = 3,360 cm³. Since 3,360 ÷ 420 = 8, the volume becomes eight times the original volume, which matches choice D.
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