A fisherman's day is rated as good if he catches 9 fishes, fair if he catches 7 fishes and poor if he catches 5 fishes. The fisherman catches 53 fishes in a week that includes good, fair and poor days. How many poor days the fisherman had during the week?
Choose one
A) 1  B) 2  C) 3  D) 4  E) 5
Good=9 fish on a days   Fair =7 fish on b days   Poor=5 fish on c days   9a+7b+5c=53   a+b+c=7   c=1   1NSWER:1
<result>A</result>
A fisherman's day is rated as good if he catches 9 fishes, fair if he catches 7 fishes and poor if he catches 5 fishes. The fisherman catches 53 fishes in a week that includes good, fair and poor days. How many poor days the fisherman had during the week?