Flip the left and right side [tex] \dfrac{x}{7} [/tex] ≥ 20
Multiply both side by 7 [tex] \dfrac{x}{7} \times 7[/tex] ≥ 20 × 7 x ≥ 140
x is equal to 140 or bigger than 140.
First option is not the solution because it's smaller than 140 Second option is not the solution because it's smaller than 140 Third option is the solution because it's equal to 140 Fourth option is not the solution because it's smaller than 140