 
<translate> Nke mbụ, chọpụta awa ole ọ na-eji amụ ihe site n'ịgafe awa ole ọ na-eji egwu egwuregwu site na 3: 9 awa / 3 = awa 3. Mgbe ahụ, mụbaa ọnụ ọgụgụ ahụ site n'inwekwu otu isi ihe kwa awa iji chọta akara Jackson: awa 3 * isi 15 / awa = isi 45. Ya mere, azịza ya bụ 45. <eng> 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. 