Find the five number summary of the following data set : 12,15,9,17,16,10,11,4,8,9,20,12
2 answers:
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Red marbles : blue marbles = 4:7
16 - red marbles
x - blue marbles
There are 28 blue marbles.
16 - red marbles
x - blue marbles
There are 28 blue marbles.
Answer:
The total teachers in the school are 50.
Step-by-step explanation:
Given:
In a school math teachers are 30%.
Now, to get the total teachers in school if there are 15 math teachers.
<em>Percentage of math teachers = 30%.</em>
<em>Number of math teachers = 15.</em>
Let the total number of teachers be .
So, according to question:
⇒
⇒
⇒
<em>Dividing both sides by 0.30 we get:</em>
⇒
Therefore, the total teachers in the school are 50.