Answer:
A=27
B=36
C=25
D=30
Explanation:
The ratio we know is 5:9
And to find a we can find a common ratio
5:9=15:A
5*3:9*3=15:27
To find B we do a similar thing
5:9=20:B
5*4:9*4=20:36
C:
5:9=C:45
5*5:9*5=25:45
D:
5:9=D:54
5*6:9*6=30:54
Hope this helps