It depends on what your parents are happy with, to be honest. A 75% is a C, which means average, so if your parents are happy with that, there's your answer. If your parents expect you to get higher grades than that, your out of luck but honestly they must be jerks.
If Your test grade avearge is 57 and your assignment grade is 75 and the test grade counts for 75% and asignment 25%, then your grade is .75 (57) + .25(75) = 61.5
75% out of 100% is 75/100 or .75. In grade terms is a C.
75% of 1520 is 1140.
around a C+
It is a plain C.
it is a b-
A grade of 'A' is usually 90% and above.
15 out of 20 would be grade of 75 percent.
78%is basicly a C+or B-
84 percent, that's a "B."
A 75 is neither a good or a bad grade as a whole cumulative average GPA. A 75 would be an average grade. In a A, B, C, D, and F grading system, a 75 would be a C.
It's just multiplication. 70 percent of your total will be 85 20 percent of your total will be 75 10 percent of your total will be 96 (85 x 0.70) + (75 x 0.25) + (96 x 0.10) = YOUR GRADE AVERAGE