Katie's final grade in the class was based on weighted averages of her assignment grade, mid-term exam grade, and final exam grade. assignments were 25%, the mid-term exam grade was 35%, and the final exam grade was 40% of her final grade. this equation can be used to find the weighted average: weighted average = (weight·mid-term grade) +(weight·final exam grade) +(weight·assignment average) what is katie's weighted average in the class? enter your answer in the box. the weighted average should be a percentage to the hundredths place. katie's weighted average is what i don’t understand weighted averages