Duplicate Question
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Original Question
The sum of a number times 9 and 30 is at least -28Question
the sum of a number times 9 and 27 is at least -15
Answers
oobleck
number times 9 ... 9x
sum of * and 27 ... 9x+27
now finish it off
sum of * and 27 ... 9x+27
now finish it off