Question

If a:b=2:15 and b:c=10:9, find a:b:c

Answer 1

Answer:

Step-by-step explanation:

a:b=2:15

multiply this with 2

a:b=(2:15)*2=4:30

b:c=10:9

multiply this with 3

b:c=(10:9)*3=30:27

now a:b:c=4:30:27