Answer:
3x + 19 = 10x - 23
7x = 42
X = 6
180 - (2×37) = 106
84,264
Step-by-step explanation:
4½ km
2 cm= 1 km
1 cm= ½ km
4cm×2km = 8cm
8 cm (4 km) + 1 cm (½ km) = 9 cm
9 cm/ 4 ½ km