HELP THIS IS DUE TODAY! fill in blanks and answer I will give a brainlist answer.

Answer:
14 blue balloons
Step-by-step explanation:
Blue Balloons: Red Balloons
63:45
7:5 (by dividing the ratio above by 9)
14:10 (by multiplying the ratio above by 2)
There are 14 blue balloons in a group that has 10 red balloons.