Cumulative GPA (CGPA) of a student is defined as the sum of the product of all grades multiplied by the credits of the correspon
ding class, divided by the sum of all credits. For instance consider a student took three courses with 3, 3, and 4 credits. Assume that the grades of this student from these courses are 4.0, 3.7, and 3.3. The CGPA of this student is: __________
The answer is B: 6 cm. You can use guess-and-check method, and plug the possible different answers into the equation x(x+6)=72, x stands for the width.
