So you have 20% of blue and 50% of black.
So you have 70% in total that are both blue and black.
100%- 70%= 30%
So that means 30% were neither blue or black.
Do a proportion
30/100= x/30
30 x 30= 900
900 divided by 100= 9
Answer is 9 shirts are neither blue or black
Answer:
0.005
Step-by-step explanation:
Answer:
1.Three and Nine Hundredths 2. 3 9/100 3. 390%
Step-by-step explanation:
