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4 votes
Solve -2.5n + 8.7 > 5.45.

n < 1.3
n > 1.3
n < -5.66
n > -5.66

2 Answers

4 votes
5.45-8.7= -3.5
-3.5÷-2.5= 1.3

Since you divided by a negative number switch the signs. So it would be A. the first one
User Indra Uprade
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7.1k points
5 votes
subtract the 8.7 from the 5.45. then you have -2.5n>-3.25. divide the -2.5 to both sides. it's dividing by a negative, so the sign flips and you get, n<1.3 as your answer
User Ru
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7.5k points