2 years ago

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

Mathematics

2 answers:

Nesterboy [21]2 years ago

6 0

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

ryzh [129]2 years ago

3 0

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

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