Answer:
which numbers do you need to know
Step-by-step explanation:
Answer:
87.471
Step-by-step explanation:
Given that scores for test, quiz, final exam , average quizzes.
There are weight given as 55% for quiz, 30% for homework, 5% Final Exam 10% Tests:
Now to calculate the student final grade, we can use weighted average method.
Final exam average
67
90
44
29
100
100
100
75.71428571
Use the averages to find:
Score Weight Score*weight
Quizzes 90 55% 49.5
Homework 85 30% 25.5
Tests 75.71 10% 7.571
final exam 98 5% 4.9
total 87.471
Hence answer is 87.471
Clear out any fractions by Multiplying every term by the bottom parts.
Add or Subtract the same value from both sides.
Divide every term by the same nonzero value.
Combine Like Terms.
Factoring.
Expanding (the opposite of factoring) may also help.
To find the answer, divide 7.2 miles by 3 hrs, this would get you to answer B, 2.4 miles per hour
