 
 <translate> First find how many hours he spends studying by dividing the number of hours spent gaming by 3: 9 hours / 3 = 3 hours. Then multiply that quantity by the point increase per hour to find Jackson's grade: 3 hours * 15 points / hour = 45 points. So, the answer is 45. <hau> Da farko ka gano adadin sa'o'in da yake amfani da su wajen karatu ta wajen raba adadin sa'o'in da yake amfani da su wajen wasa da 3: 9 hours / 3 = 3 hours. Sannan ninka wannan adadin da karuwar maki a kowace awa don samun maki na Jackson: 3 hours * 15 maki / awa = maki 45. Amsar ita ce 45. 