Answer :
SOLUTION
Write out the inequality
[tex]x-7.67\ge8.4[/tex]Add 7.67 to both sides of the inequality
[tex]x-7.76+7.67\ge8.4+7.76[/tex]Simplify the expression in the last line above
[tex]x\ge16.16[/tex]Therefore the solution to the inequality is x ≥ 16.16