3. A salesperson has two job offers. Company A offers a weeklysalary of $360 plus commission of 8% of sales. Company B offers aweekly salary of $720 plus commission of 4% of sales. What is theamount of sales above which Company A's offer is the better of thetwo?

5. Behemoth Back Packs, Inc., finds that the cost to make x backpacks is C=34x+8743 while the revenue produced from them isR-118x(C and R are in dollars). What is the smallest whole numberof back packs, x that must be sold for the company to show aprofit?

9. Jon has 740 points in his math class. He must have 84% of the1100 points possible by the end of the term to receive credit forthe class. What is the minimum number of additional points he mustearn by the end of the term to receive credit for the class?