Answer:well I will tell if you tell me the answer for my question
Step-by-step explanation:
Answer:
16 problems.
Step-by-step explanation:
100% divided by 20 questions.
100/20 is equal to 5, therefore each question is worth 5 points.
Grade of 80% divided by points per question.
80/5 is 16 so the student answered 16 questions correctly.
There are 15 girls because 12 x 3 = 36 and 5 x 3 = 15
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