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'.

[EX Q]: Problem: dacid obtained 96 , 95 , 82 , 97 and 95 marks ( out of 100 ) in english , mathematics , physics , chemistry and biology . what are his average marks ?
Options: a ) 79 , b ) 93 , c ) 88 , d ) 88 , e ) 75
[EX A]: b

[EX Q]: Problem: a parking garage rents parking spaces for $ 10 per week or $ 25 per month . how much does a person save in a year by renting by the month rather than by the week ?
Options: a ) $ 120 , b ) $ 160 , c ) $ 220 , d ) $ 240 , e ) $ 260
[EX A]: a

[EX Q]: Problem: if the least common multiple of two prime numbers x and y is 10 , where x < y , then the value of 3 x + y is
Options: a ) 7 , b ) 9 , c ) 11 , d ) 12 , e ) 21
[EX A]:
c