Here is the solution based on the given problem above:
2.5 euros = price of apples per kilo
1 euro = $1.34
$3.35 = price of apples per kilo
1 kilo = 2.2 pounds
Given that it is $3.35 per 2.2 pounds, so per pound, the price would be $0.66.
The correct answer would be $0.66/lb.