Answer:
Part 1) The inequality that represent this situation is  or
  or  
Part 2) Yes, 8 inches is a reasonable width for his tablet
Step-by-step explanation:
Part 1)
Let
L -----> the length of the screen television
W ----> the width of the screen television
x ---->  the width of Andrew's tablet
we know that
 ------> equation A
 ------> equation A
 ----> equation B
 ----> equation B
The area of the television is
 -----> equation C
 -----> equation C
Substitute equation A and equation B in equation C
 
 

 
 
 
 
 ------> inequality that represent this situation
 ------> inequality that represent this situation
Part 2) Determine if 8 inches is a reasonable width for his tablet
For x=8 in
Substitute in the inequality


 -----> is true
 -----> is true
therefore
Yes, 8 inches is a reasonable width for his tablet