From the question, the test scores were 85, 57 and 82,
To find the 55% average test score below,
The daily scores were 75, 86, 98, 97, 65, 79 and 85,
To find the 20% average daily score,
The group presentation scores were 86, 87, 65 and 91
To find the 25% average group presentation score,
Helen's nine weeks score/grade will be,
Answer is 78.34 (2 decimal places)