问题
选择题
若a:b=3:2,b:c=5:4,则a:b:c=( )
A.3:2:4
B.6:5:4
C.15:10:8
D.15:10:12
答案
∵a:b=3:2=15:10,b:c=5:4=10:8,
∴a:b:c=15:10:8.
故选C.
若a:b=3:2,b:c=5:4,则a:b:c=( )
A.3:2:4
B.6:5:4
C.15:10:8
D.15:10:12
∵a:b=3:2=15:10,b:c=5:4=10:8,
∴a:b:c=15:10:8.
故选C.