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On the house design drawing with the scale of 1: 100, Xiao Dan measured that his house plan was 16 cm long and 8 cm wide.

16×100 =1600 (cm)

8× 100 = 800 (cm)

1600 cm = 16 m

800 cm =8 m

16× 8 = 128 (m2)

0.8× 0.8 = 0.64 (square meter)

128 0.64 = 200 (block)

12× 200 = 2400 (yuan)

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