Answer:
Its asking what x 2=1 it would be
Step-by-step explanation: 0.5 or 1/2
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:
a:3,11
Step-by-step explanation: