Question

The ratio of C:D is 4:5 and the ratio of C:E is 3:2. What is the ratio of C:D:E?

Answer 1

Step-by-step explanation:

a:b=2:3,b:c=4:5,c:d=6:7

a:b=2×8:3×8=16:24

b:c=4×6:5×6=24:30

c:d=6×5:7×5=30:35

soa:b:c:d=16:24:30:35