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Four times the sum of a number and 15 is at least 120. Let x represent the number. Find all possible values for x.

A. x ¡Ý 26

B. x ¡Ý ¨C15

C. x ¡Ý 15

D. x ¡Ý ¨C26

I tried it and cant find it.

4 answers

A. x ¡Ý 26

B. x ¡Ý ¨C15

C. x ¡Ý 15

D. x ¡Ý ¨C26

4(x+15) >= 120
x+15 >= 30
x >= 15

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Listen to Steve comment it’s correct

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