Name: SAT Math Help & School Math Mastery
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#10933

inequalities

applications

rectangles

medium

120 sec

A carpenter is building a shelf that is 72 inches long. She wants to fill the shelf with books that have a width between 0.8 inches and 1.2 inches, inclusive. Let $n$ be the number of books that can fit on the shelf. Which of the following describes all possible values of $n$ ?

A.

$0.8 \leq n \leq 1.2$

B.

$60 \leq n \leq 90$

C.

$72 \leq n \leq 90$

D.

$60 \leq n \leq 72$