The mean height of 25 boys in a class is 150 cm, and the mean height of 35 girls in the same class is 145 cm. The combined mean height of 60 students in the class is ______ cm (approximately).

The mean height of 25 boys in a class is 150 cm, and the mean height o

1.	The mean height of 25 boys in a class is 150 cm, and the mean height of 35 girls in the same class is 145 cm. The combined mean height of 60 students in the class is ______ cm (approximately).
A.	143
B.	145
C.	146
D.	147
Answer» E.