10/20 = 1/2 = .5 meters = 500 cm
in (ii) do you not want the WIDTH of the real house
If so 80 cm = .8 m
.8 m * 20 = 16 meters wide
alice builds a model house she uses a scale of 1:20 the height of the real house is 10 meters.
(i) what is the height of the model.
the width of the model is 80cm
(ii) what is the height of the real house
1 answer