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Helen is constructing a room. She is preparing a scale drawing of her room as 1 cm = 2.5 feet. Find the actual dimensions with the given model dimensions of 8 cm×5 cm.

20 feet×12.5 feet
15 feet×5.5 feet
10 feet×8 feet
8 feet×6.5 feet

Respuesta :

jessmzhou4

Answer: 20 ft × 12.5 ft

Step-by-step explanation:

Since 1 cm = 2.5 ft,

  • 8 cm = 8 · 2.5 = 20 ft
  • 5 cm = 5 · 2.5 = 12.5 ft

Therefore, 8 cm × 5 cm = 20 ft × 12.5 ft

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