Answer:
It's 50 percent right
Step-by-step explanation:
there are many colors and they could all be different
2 - 2 x 3 + 3
= 2 - 6 + 3
= -4 + 3
= -1
3u + 4u + 2u = 9u
9u = 90
1u = 90/9 = 10
since black is 2u ( from the ratio given)
2u = 10 x 2 = 20
Answer : 20cm of the pole is painted black.
The bar diagram is in the picture :)