Seudónimo Seudónimo
  • 12-04-2016
  • Mathematics
contestada

5x/8 ≥ 30, solve the inequality

Respuesta :

Sofiadecredico
Sofiadecredico Sofiadecredico
  • 12-04-2016
ok.  the first thing we have to do is isolate the variable.

to undo the division we can multiply the 8 on both sides

5x/8 ≥30
     ×8 ×8
5x≥240

then divide to undo the multiplication

5x≥30
---   ---
5     5
x≥48

Answer Link
Exvited
Exvited Exvited
  • 12-04-2016
[tex] \frac{5x}{8} \geq 30 \\ \\ 5x \geq 30 \times 8 \\ \\ 5x \geq 240 \\ \\ x \geq \frac{240}{5} \\ \\ x \geq 48 \\ \\ [/tex]

The answer is: x ≥ 48
Answer Link

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