To make a small vase, Elisa uses no more than 4 point 5 ounces of clay. To make a large vase, she uses at least 12 ounces of clay. Which compound inequality represents the number of ounces of clay, c , that Elisa uses to make one vase of either size?
Answer
A
4 point 5 is less than or equal to c comma c is less than or equal to 12
B
4 point 5 is less than c comma c is less than 12
C
c is less than or equal to 4 point 5 or c is greater than or equal to 12
D
c is less than 4 point 5 or c is greater than 12
Explanation
A small vase uses no more than 4.5 ounces, so its clay amount satisfies c ≤ 4.5. A large vase uses at least 12 ounces, so its amount satisfies c ≥ 12. Since the vase can be either small or large, combine the inequalities with “or”: c ≤ 4.5 or c ≥ 12, which is choice C.
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