SCIENCE
RESPIRATION
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
You are going to get a 70% or above on the quiz.
|
|
True
|
|
|
False
|
|
|
Either A or B
|
|
|
None of the above
|
Explanation:
Detailed explanation-1: -A score of 70 is really a score of 70%, or 0.7. The number of questions you must get right are 30 × 0.7 = 21. You can miss 30-21 = 9.
Detailed explanation-2: -Answer and Explanation: 70 percent of 75 questions is 52.5%.
Detailed explanation-3: -To achieve a 70% result on a 50 question test, divide 30 by 2. You can miss 15 questions on a 50 question quiz to earn a 70% grade. Another way to figure out this answer is to convert 70% to a decimal and multiply it by 50 to calculate how many questions you need to get correct to score 70%.
There is 1 question to complete.