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11-01-2017
Mathematics

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Part A: Solve −np − 80 < 60 for n. Show your work. (4 points)

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11-01-2017

Solution:

1) Add 80 to both sides
-np<60+80

2) Simplify 60+80 to 140
-np<140

3) Divide both sides by p
-n<\frac{140}{p}

4) Multiply both sides by -1
n>-\frac{140}{p}

Done!

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