Answer:
72%
Step-by-step explanation:
There are a total of 50 quizzes in the year
From the first 20, the student passes 60%. This makes a total of

12 passes
Out of the remaining 30 quizzes the student passes in 80% of them. This makes a total of

24 passes
Adding the two values
12 + 24 = 36
The student passes 36 quizzes out of 50.
We convert this to a percentage
%
Answer: 15
Step-by-step explanation:
Ratio is 1 inch:6 mile
2.5 inches divided by 1 inch equals 2.5 inches
2.5 inches times 6 equals 15
The answer is B hope it helped you
The answer to the question