Ten-year-old billy loves baseball and has studied baseball statistics since he was 5 years old. billy is currently reading this year's statistics for some of his favorite players. he will easily remember the new statistics because of the he has for baseball statistics.

Billy will remember the new statistics because of the Knowledge base he has for baseball statistics. Knowledge base is storage of information of a certain subject or topic. In this case, baseball statistics is the thing that Billy has an interest on. This also states that the information of a certain subject will retain in your memory for a long period of time.

answerpounds of plastic to purchase 200+60-20=(240);