nine and ten

9. A salesperson earns a base salary of Si] ,2] 0 per month and a commission of4.?% on the amount of sales. If the salesperson has a paycheck of $2,557 3.30 for one month, what was the amount of sales for the month? Answer: 10. A can of soda at 83 F. is placed in a refrigerator that maintains a constant temperature of 35 F. After! minutes, the temperature Tof the soda is given by T6) = 35 + 486 _ [1058 I. Find the temperature of the soda 15 minutes aer it is placed in the refrigerator. (Round to the nearest tenth of a degree.)