In this task, you need to answer the given multiple-choice question on the general math. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.

Input: Consider Input: Problem: a club wants to mix 20 pounds of candy worth $ 8.00 per pound with candy worth $ 5.00 per pound to reduce the cost of the mixture to $ 6.00 per pound . how many pounds of the $ 5.00 per pound candy should be used ?
Options: a ) 20 , b ) 30 , c ) 40 , d ) 50 , e ) 60

Output: c

Input: Consider Input: Problem: evaluate 248 + 64
Options: a ) 14 , b ) 26 , c ) 16 , d ) 36 , e ) 46

Output: c

Input: Consider Input: Problem: the average weight of 22 boys in a class is 50.25 kg and that of the remaining 8 boys is 45.15 kg . find the average weights of all the boys in the class .
Options: a ) 48.89 , b ) 42.25 , c ) 50 , d ) 51.25 , e ) 52.25
Output: a