Answer: Apples have the lowest unit price ($1.37 per pound)
Explanation:
Hi, to answer this question we have to calculate the price per pound of each fruit, by dividing the price by the quantity in each case: 
Mathematically speaking: 
- A) 2.5 pounds of grapes for $4.19 = 4.19 /2.5 = $1.67 per pound 
- B) 4 pounds of apples for $5.49 = 5.49/ 4 = $1.37 per pound 
- C) 5 pounds of oranges for $6.99 = 6.99 / 5= $1.39 per pound 
- D) 6.5 pounds of strawberries for $9.59 = 9.59/ 6.5 = $1.47 per pound 
Analyzing the results, apples have the lowest unit price ($1.37 per pound)