Less than half of the students missed the chemistry demonstration. In fact only 3/10 of the students missed the demonstration. If 21 students did not miss the demonstration, how many students did miss the demonstration?
1 Answer
Jun 14, 2017
9 students missed the demonstration
Explanation:
The given is that
Since we know that
Solving for
So there are a total of 30 students in the class. Using this value, we will able to solve for the number of students who missed the demonstration.
total no. students who missed the demonstration