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Solve this problem. A number c decreased by 9 is less than or equal to 20. Find c.

a c ≤ 28
b c ≤ 20
c c ≤ 29
d c ≤ 11

User SaoBiz
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1 Answer

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So c-9 is less than or equal to 20 so c is less than or equal to 29. So the correct answer is c. Hope this helps :)
User Jackblk
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