Answer:
b=35/4
alternate form
b=8 3/4
b=8.75
144
Step-by-step explanation:
20×12=240
add 4 to 20 and 12
makes a new rectangle 24×16
24×16=384
384-240=144
m=
Answer: 16.6% percent chance she will pull out a blue or orange marker.
Hope this helps! :)