2x+11) D. (x +4)2x141 A.100
B. 110
C. 120
D.130
c
(2-32-40
46. The distance of 36 km on the ground is represented by a line of 1.8 cm on a map.
What is the scale of the map?
A. 1:20
B. 1: 200 C. 1: 2000 D. 1:20 000
47. A piece of wood is to be cut into three pieces in the ratio 5: 4:3. If the length of the
shortest piece is 2cm, how long was the piece of wood?
A. 12 cm B. 8 cm C.9 cm D. 10 cm
-3
3
147​