As a rough guide it takes about 5.5 half lives for a drug to be out of your system. For adderall then it would take just over 2 days for a dose to be out of your system. (5.5 x 10 = 55 hours - which is just over 2 days) You should allow for longer (7 days) if you have taken adderall frequently and at high doses.
G.R. No. 131457 is the case docket number originally assigned by the Supreme Court at the time the action was filed with the Court (G.R. means General Register) 24 April 1998 is the exact date the decision of this case was promulgated; 289 is the volume number of the Supreme Court Reports Annotated where the case may be found
This number is noted in a column on the docket sheet list, along with the filing date on which the party or other person filed the document as well as the date of entry (on which the court clerk created the entry in the docket sheet describing the filed document).