Answer:
His aggregate marks in percentage: 87.5%
Explanation:
marks obtained: 72 + 68 + 64 + 76 = 280 marks achieved
total marks were there: 80 * 4 = 320 marks
aggregate achieved marks in percentage:
[tex]\boxed{\frac{marks-achieved}{total -marks} *100}[/tex]
[tex]\hookrightarrow \frac{280}{320} *100[/tex]
[tex]\hookrightarrow[/tex] 87.5%
