Answer and Explanation
Your Answer is
Correct Answer is B
Explanation
The more you buy at one time, the lower the average cost. Therefore, if you buy a pack of 12, a pack of 6, and two packs of 1, the total cost will be 2.1+1.2+2×0.3=3.9. B
21. The table below shows the price of different quantities of standard-sized lemons at Joe's Fruit Stand. What is the least amount of money needed to purchase exactly 20 standard-sized lemons if the bags must be sold intact and there is no tax charged for lemons?
