Answer: c. The price of grapefruits experienced a reduction 6.01 percentage points greater than the price of pineapples.
Step-by-step explanation:
Given: The original cost of pineapples = $5.15
The original cost of grapefruits = $2.25
After reduction in price, the new price of pineapple = $3.88
Change in price of pineapple =
Percentage change in price of pineapple=
The new price of grapefruit = $1.56
Change in price of grapefruit = 
Percentage change in price of grapefruit =
Difference in percentage =
Therefore, the price of grapefruits experienced a reduction 6.01 percentage points greater than the price of pineapples.