i need help with this math question 3f+9<21

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01-11-2016
Mathematics

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i need help with this math question 3f+9<21

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Noah11012 Noah11012 · Answer 1 · 2016-11-01T16:59:29+01:00

Noah11012 Noah11012

01-11-2016

I am assuming you want to find the simplest form of the inequality.

1. [tex]3f + 9 \ \textless \ 21[/tex]
2. [tex]3f < 12[/tex]
3. [tex]f < 4[/tex]

1. Start
2. Subtract 9 from each side
3. Divide both sides by 3

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