Shen the trainer has two solo workout plans that he offers his clients: plan a and plan b. each client does either one or the other (not both). on friday there were 3 clients who did plan a and 5 who did plan b. on saturday there were 6 clients who did plan a and 2 who did plan b. shen trained his friday clients for a total of 10 hours and his saturday clients for a total of 10hours. how long does each of the workout plans last?
12 servings. 4 times 3= 12
2 and 11 and 5 are all composite numbers technically. but 2 is the right one in this case.
i think they only want ones that can be formed using whole number integers, so 2 is your answer.