nanee2004 nanee2004

30-11-2018
Mathematics

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twenty-five less than three times a number is at least 26

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musiclover10045 musiclover10045

30-11-2018

3 times a number is written as 3x ( where x is the number).

25 less than that becomes 3x-25

then it is at least 26, which means it is at least 26 or bigger

3x-25 ≥ 26

Now solve for x:

Add 25 to each side:

3x ≥26 +25

3x ≥ 51

Divide both sides by 3:

x ≥51 / 3

x ≥ 17

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