ilovescratchlol ilovescratchlol 18-10-2020 Social Studies contestada question of the day :) . Adding 3 Numbers: Billy had 2 books at home. He went to the library to take out 2 more books. He then bought 1 book. How many books does Billy have now?XD its easy who ever gets it right i mark as brilliant!I ALREADY KNOW THE ANSWER -.-