A. 180
b. 230
c. I'm not sure what that on is
Hey there!
I'm going to set up the equation slightly different.

6/7 because there are 7 tickets in total and 3 of them are yellow and 3 of them have even numbers.
Answer:
a) the varying densities are to be considered with respect to position
Step-by-step explanation:
the complete answer is found in the attachment
2(2x+3)+(5x+4) simplified would be 4x+6+5x+4 and if you add those together you get 9x+10. Hope I helped! if you have any questions just leave a comment