A scale model of a house is 1cm to 3m, if model length is 12cm, the actual length is

A scale model of a house is 1cm to 3m, if model length is 12cm, the a

1.	A scale model of a house is 1cm to 3m, if model length is 12cm, the actual length is
A.	36m
B.	34m
C.	45m
D.	50m
Answer» B. 34m