Answer:
18
Step-by-step explanation:
90 % 5 = 18 so A would measure 90º
4.5 is the answer
Divide 49 from both sides
220.5 / 49 = 4.5
Answer=10%
15+2+3=20
2 of which are blue.
Put it over 100, 20x5=100 so 2x5=10
Yes, it is right... you correctly distributed the negative, and combined like terms... great job!