Agree....There are 12 boys and every 2 = 6 groups 6x2
There are 24 girls and every 4 to the 2 =6 groups 6x4
So the original lawn has an area
24 × 32 = 768 the new lawn will have area 425
this means the area of the sidewalk will be 768-425=343
now the sidewalk is a certain width of we draw it out and label it x we see the lawn has an area of

use the quadratic formula to solve. then you will know how wide the sidewalk is. I will attach picture
Could you take a picture that looks more clear so I can figure it out? Thank u!
Answer:9?
Step-by-step explanation: hair