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Mathematics 20 Online
OpenStudy (anonymous):

Four more than three times a number, is less than 30. Which of the following is not a solution? 6 12 8 7

OpenStudy (anonymous):

i got more so stay here okey

OpenStudy (anonymous):

@Anna34 help

OpenStudy (anonymous):

Rewrite it in math terms: $$\underbrace{4+}_\text{four more than}\,\underbrace{3n}_\text{three times a number}\,\underbrace{<30}_\text{is less than 30}\implies4+3n<30$$Can you isolate and solve for \(n\)?

OpenStudy (anonymous):

$$4+3n<30\\3n<30-4=26\text{ by subtracting 4 from both sides}\\n<\frac{26}3\approx8.67\text{ by dividing both sides by 3}$$

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