A salesperson has two job offers. Company A offers a weekly salary of $90 plus commission of

Fantastic news! We've Found the answer you've been seeking!

Question:

A salesperson has two job offers. Company A offers a weekly salary of $90 plus commission of 6% of sales. Company B offers a weekly salary of $180 plus a commission of 3% of sales. What is the amount of sales above which Company A's offer is the better of the two?