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7.5 is 15% of 50.
40% of the grade of 96 and 60% of the grade of 50 gives (.4x96+.6x50) = grade of 68
It is 50%
To calculate the grade, first determine the number of correct answers. If 50 questions were answered and 7 were wrong, then 50 - 7 = 43 questions were correct. The grade can be calculated as (43 correct / 50 total) x 100, which equals 86%. Therefore, the grade is 86%.
As a percentage 33 out of 50 is 66%