10.__________

 

 

 

11.     A merchant has determined that if the selling price of a peach is 15 cents, he will sell 400 a day.  He has also determined that for each cent the price increased, he will sell 16 fewer peaches each day.  At what price, in cents, should he sell each peach in order to maximize his daily income from peaches?

                                                                                         11._________

 

 

 

22.     What is the greatest number of bags that can be used to hold 190 marbles if each bag must conatin at least one marble, but no two bags may contain the same number of marbles?

                                                                                      22.__________

 

 

 

25.     Rick's yogurt shop has scoops of three sizes: 2-inch, 2.5-inch, and 3-inch diameters which sell for $1, $2, and $3, respectively. Which size scoop is the worst buy?

                                                                                      25.__________

 

 

 

28.     Alice leaves Denver, driving at a constant speed.  After a while, she passes a mile marker displaying a two-digit number.  One hour later, she passes a second marker with the same two digits in reverse order.  In another hour, she passes a third marker with the same two digits separated by a zero.  What is the rate of Alice's car in miles per hour.

                                                                                     28.___________