Solve the problem.Suppose a person can measure the length of a board to within 
inches. A board is measured to be 20
inches. Write an absolute value inequality which describes the possible range of values for the true length, L, of the board. Solve the inequality.
A. 
? 20
The board could actually be between 20
inches and 
inches long.
B. 
? 
The board could actually be between 
inches and 
inches long.
C. 
? 20
The board could actually be between 
inches and 
inches long.
D. 
? 
The board could actually be between 
inches and 
inches long.
Answer: D
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