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Solve the inequality. 15 + 12c ≥ 9(c + 15)

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Solve the inequality. 15 + 12c ≥ 9(c + 15)

asked Nov 7, 2018 184k views

4 votes

Solve the inequality.

15 + 12c ≥ 9(c + 15)

Mathematics
middle-school

by Jdw

8.6k points

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2 Answers

6 votes

15 + 12c >= 9c + 135
3c >= 120
c >= 40

Sirwan Afifi answered Nov 9, 2018

by Sirwan Afifi

8.2k points

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3 votes

15 + 12c
$\geq$ 9(c + 15)
15 + 12c
$\geq$ 9c + 135
12c
$\geq$ 9c + 120
3c
$\geq$ 120
c
$\geq$ 40

Cheng Chen answered Nov 12, 2018

7.7k points

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