Chris can be paid in one of two ways. Plan A is a salary of ​$450 per​ month, plus a commission of 7​% of sales. Plan B is a salary of ​$681 per​ month, plus a commission of 4​% of sales. For what amount of sales is Chris better off selecting plan​ A?

Please help

1 answer

450 + .07s ≥ 681 + .04s

Solve for s.