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A number r decreased by 13 is at most 15
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A number r decreased by 13 is at most 15

User He Hui
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2 Answers

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the answer is r is less than or equal to 28
User Debajyoti Das
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5 votes
r - 13 <= 15

Add 13 to both sides:

r <= 28

Note '<=' is less than or equal to.
User Guitarlass
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